## definition of pole in physics

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see low man on the totem pole; not touch with a ten-foot pole. the place at which a cell extension or process begins, as a nerve cell axon or a flagellum. Pole vaulting has been an event at the Olympic games since 1896. We Asked, You Answered. 2. “Affect” vs. “Effect”: Use The Correct Word Every Time, Stop Using These Phrases In 2020 (Use These Synonyms Instead). Miletus is now on the western coast of Turkey in what was then a region of Greece known as Ionia (source of the chemical term ion, but that's another story). If the two poles are connected by a conductive path such as a wire, electron s flow from the negative pole toward the positive pole. We can find the force exerted from the definition of pressure given in $P=\frac{F}{A}\\$, provided we can find the area A acted upon. Physics topic. It can be an electric current in a conductor or charged particles moving through space, or it can be the motion of an electron in an atomic orbital. Polar molecules also form when the spatial arrangement of chemical bonds leads to a more positive charge on one side of the molecule than the other. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. For any positive integer n, = (−)! The Dictionary.com Word Of The Year For 2020 Is …. The system is based on the proposition that there exists a "pole" at each end of a magnet, and that point poles repel each other according to … Indeed, magnetic forces themselves also fundamentally arise between electric charges when they are in motion. either end of a spindle-shaped figure formed in a cell during mitosis. An electrical power transmission line having two direct-current conductors in opposite polarity. It seems to me that both sides need to move toward the “staying connected” pole. The fixed point used as a reference in a system of polar coordinates. pole meaning: 1. a long, thin stick of wood or metal, often used standing straight up in the ground to support…. Many millions of iron atoms spontaneously…. a point of concentration of interest, attention, etc. There are two types of magnetic poles, called the north magnetic pole and south magnetic pole. State the law of poles (electric) or 2. physics. Chem. Either of the two ends of a magnet at which the field of the magnet is most intense. English loves putting words together to make new ones. A great many AC and DC machines can be called "n-pole motors", where "n" is an even number of poles (2,4,6,8,etc). Pole: The centre of the reflecting surface of a spherical mirror. The thugs robbed him and left him under bare poles. 3 a : either of the two … In physics, magnetism is one of the phenomena by which materials exert attractive or repulsive forces on other materials. direction determined from the north pole of a compass; strength proportional to the … Corrections? Outline of the story told historically. “John Paul to a Pole is like St. Patrick to the Irish,” she said. English cardinal and last Roman Catholic archbishop of Canterbury. The 'North pole' of any magnet is the one that would be attracted to the earth's North magnetic pole. It lies on the surface of the mirror. Either extremity of an axis through a sphere. dipole definition: 1. Some of the shore folk said it was icebergs that the shipmen saw; but icebergs never sailed so far from the pole, they answered. Copyright © 2011. At the poles of a magnet, for example, where the magnetic field is strong, the field lines are crowded together, or more dense. An electrical power transmission line having two direct-current conductors in opposite polarity. The pole is usually represented by the letter P. Centre of curvature: Physics and sports are intimately connected. The magnetic pole is the region at each end of a magnet where the external magnetic field is the strongest. magnetic pole synonyms, magnetic pole pronunciation, magnetic pole translation, English dictionary definition of magnetic pole. Omissions? noun the region of a magnet toward which the lines of magnetic induction converge (south pole) or from which the lines of induction diverge (north pole). Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. the north pole of a magnet is a region from which lines of magnetic flux emanate. b : a point of guidance or attraction. This flow of charge carriers constitutes an electric current . Breaking a magnet in two does not isolate its north pole from its south pole. Both political parties, and the President, have moved too close to the “standing alone” pole. Definition of polarity in the Definitions.net dictionary. Pole vaulting is an athletics event in which a person uses a long flexible pole as an aid to jump over a bar. The law of poles (electric) states. Gozik watched as the MPs used garrison belts to tie the condemned man to the pole. The south-seeking Pole: It is a region of a magnetic field where the force is strongest. Carl had to go to the very top of the pole, and then had some difficulty in tearing her from her hold. Physics: It is the branch of science concerned with the ultimate laws that govern the structure of the universe and the forms of matter and energy and their interactions. In physics, the theoretical direction of current flow is considered to be from positive to negative by convention, opposite to the flow of electrons. Keep everything to an introductory level. HEG SG. Learn more. 1. North Pole synonyms, North Pole pronunciation, North Pole translation, English dictionary definition of North Pole. Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. adj., adj ion´ic. Either extremity of an axis through a sphere. He has a Masters in Education, and a Bachelors in Physics. A magnet has an invisible magnetic field surrounding it and two ends called poles. Each half is found to have its own north and south poles. An idealised location (usually a point) which acts as a source or sink for lines of flux associated with a field. Thus, every magnet exists in a self-generated field that has a direction such as to tend to demagnetize the specimen. D. a long stick or post usually made of wood or metal, often set upright in the ground to support something a telephone pole 2. The south-seeking pole, or any pole similar to it, is called a south magnetic pole. In the magnetic pole model, the elementary magnetic dipole m is formed by two opposite magnetic poles of pole strength q m separated by a very small distance d, such that m = q m d. This causes them to cancel each other out over time. See also magnetic dipole. This flow of charge carriers constitutes an electric current. Physics any system having two equal but opposite electric charges or magnetic poles separated by a very small distance 2. either of the two regions at the extremities of a magnet to which the lines of force converge or from which they diverge. In mathematics, the gamma function (represented by , the capital letter gamma from the Greek alphabet) is one commonly used extension of the factorial function to complex numbers.The gamma function is defined for all complex numbers except the non-positive integers. This article was most recently revised and updated by, https://www.britannica.com/science/magnetic-pole, Australian Antarctic Division - Poles and Directions, British Geological Survey - Magnetic Poles. a unit of length equal to 16½ feet (5 meters); a rod. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The magnetic field protecting our planet originates deep in the Earth's core but fluctuates in strength over time. pole1 /pəʊl \$ poʊl/ W3 noun [ countable] 1 stick/post. that part of a mast between the uppermost standing rigging and the truck. n. 1. It corresponds to the origin in the Cartesian coordinate system. Afterwards the chiefs told the criers to tell the people that when Pole was completed they should see it. The north pole points toward Earth's north magnetic field. Bar magnets showing attraction of opposite poles and repulsion of like poles. each of the extremities of the axis of the earth or of any spherical body. . 1. m). Solution. Work and energy in pole vaulting. Definition: The Earth does not rotate vertically, but on an axis of 24°. Pole: The centre of the reflecting surface of a spherical mirror. Against Gravity. Poles of a magnet may refer to a magnetic monopole which is a hypothetical elementary particle. Use your right hand, point the thumb in the direction of the conventional current (positive to negative). The radius of the circle formed with the curved part of the lens is known as radius of curvature. From Longman Dictionary of Contemporary English. Dipole Moment Definition … to propel a boat, raft, etc., with a pole: (of a sailing ship) with no sails set, as during a violent storm. Either of the points at which the Earth's axis of rotation intersects the Earth's surface; the North Pole or South Pole. a long slender usually round piece of wood, metal, or other material, the piece of timber on each side of which a pair of carriage horses are hitched, one of a number of markers placed at intervals of one sixteenth of a mile along the side of a racecourse, the part of a mast between the head and the attachment of the uppermost shrouds, to set out (an area of land or garden) with poles, to support (a crop, such as hops or beans) on poles, to deoxidize (a molten metal, esp copper) by stirring it with green wood, either of the two antipodal points where the earth's axis of rotation meets the earth's surface, either of the two regions at the extremities of a magnet to which the lines of force converge or from which they diverge, either of two points or regions in a piece of material, system, etc, at which there are opposite electric charges, as at the two terminals of a battery, an isolated singularity of an analytical function, either end of the axis of a cell, spore, ovum, or similar body, either end of the spindle formed during the metaphase of mitosis and meiosis, the point on a neuron from which the axon or dendrites project from the cell body, either of two mutually exclusive or opposite actions, opinions, etc, the origin in a system of polar or spherical coordinates, having widely divergent opinions, tastes, etc, a native, inhabitant, or citizen of Poland or a speaker of Polish. The north pole of a magnet is attracted to the south pole of any other magnet and repelled by the north pole of another magnet. Definition of pole (Entry 3 of 5) 1 : either extremity of an axis of a sphere and especially of the earth's axis. ‘But the Transport Research Laboratory has been working on a breakable fence with metal pins between the pole and support.’ ‘The piece is based on a flock of birds in flight - long white poles support wing-shaped metal triangles in a curved line which echoes the movement of a flock.’ And this principlal axis can be any normal to the surface. : a long, tapering piece of wood or other material that extends from the front axle of a vehicle between the animals drawing it. A bar magnet suspended in Earth’s magnetic field orients itself in a north–south direction. the lane of a racetrack nearest to the infield; the inside lane. pole in. This is because every sport’s discipline depends on the ability of an athlete to exercise a force, and a force is one of the key elements of Newton’s laws of motion and other elementary physics concepts. In physics, another definition of a dipole is an antenna that is a horizontal metal rod with a wire connected to its center. The American Heritage® Stedman's Medical Dictionary Magnetic pole strength definition in physics How hard is it to change mos in the army Two different vectors are in use to represent a magnetic field: one called magnetic flux density, or magnetic induction, is symbolized by B; the other, called the magnetic field … Still, even though we don't have a formal definition of the magnetic field there's no reason why an informal definition can't suite us for a while. All rights reserved. Take this quiz to test your knowledge! The ston… a singular point at which a given function of a complex variable can be expanded in a Laurent series beginning with a specified finite, negative power of the variable. Positive pole definition is - the terminal of a voltaic cell or storage cell that is connected to the positive plate. Convex mirror has reflecting surface at the exterior of spherical surface. What Does “Auld Lang Syne” Actually Mean? The forces acting on an individual dancer create a push-pull relationship between the dancer and the surrounding space. Pole vaulting has been an event at the Olympic games since 1896. Physics and sports are intimately connected. In physics, the theoretical direction of current flow is considered to be from positive to negative by convention, opposite to the flow of electrons. Physics for Kids. Pole: The centre of the spherical surface of the mirror, is called the pole of the mirror. The basic physics of pole vaulting is simple to explain. So how do you know if you spell them as one word or two? Pole definition is - a long slender usually cylindrical object (such as a length of wood). ‘Sturm's theoretical work in mathematical physics involved the study of caustic curves, and poles and polars of conic sections.’ More example sentences ‘His development of the pole and polar lines associated with conics led to the principle of duality.’ What does polarity mean? Published by Houghton Mifflin Company. Force of magnetic field: the force exerted by a magnetic field Attraction of magnets for iron: the phenomenon of physical attraction for iron, inherent in magnets or induced by a moving electric charge or current A general… pole definition: 1. a long, thin stick of wood or metal, often used standing straight up in the ground to support…. The North Pole is at the northernmost point of the Earth, while the South Pole is at the southernmost point on the Earth. In physics, magnetism is one of the phenomena by which materials exert attractive or repulsive forces on other materials. Pole Definitions. Table #4. The northern end of the earth's axis of rotation, a point in the Arctic Ocean. one of two opposite or contrasted principles or tendencies: His behavior ranges between the poles of restraint and abandon. . Iran’s Becoming a Footloose Nation as Dance Lessons Spread, The Last American Soldier Executed for Desertion, Onscene as Pope Francis Makes Saints of John Paul II and John XXIII, Myths & Legends of our New Possessions & Protectorate, Omaha sociology (1884 N 03 / 1881-1882 (pages 205-370)). Describe 2020 In Just One Word? Polar bonds form when there is a difference between the electronegativity values of the atoms participating in a bond. Class 10 Physics Light Reflection Refraction: Terms used in mirror: Terms used in mirrors. There are rocks that attract other rocks, but only if they're of the right kind 2. Occasionally a pamphlet for a salsa class might be tossed on a doorstop or stuck on a pole near a bus stop. This is because every sport’s discipline depends on the ability of an athlete to exercise a force, and a force is one of the key elements of Newton’s laws of motion and other elementary physics concepts. Magnetic poles of the astronomical bodies is a special case of magnets Magnetic Poles: Definition & Shifts ... David has taught Honors Physics, AP Physics, IB Physics and general science courses. Positive pole definition is - the terminal of a voltaic cell or storage cell that is connected to the positive plate. Basic ideas that even young children now know. Magnetic Force. : The beautiful actress was the pole of everyone's curiosity. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. It lies on the surface of the mirror. Either end of the spindle formed in a cell during mitosis. a line perpendicular to a crystal face and passing through the crystal center. The Most Surprisingly Serendipitous Words Of The Day. Homework Statement The question is this: State the law of poles (electric) states Homework Equations The Attempt at a Solution Ok, so I assume it's a typo above...and should read either: 1. Either of two oppositely charged terminals, such as the two electrodes of an electrolytic cell or the electric terminals of a battery. Principal axis is the imaginary central line at the center of the sphere forming the diameter of the sphere as shown in figure. In most objects, electrons spin in different, random directions. to make (an extra-base hit) by batting the ball hard and far: to stir (molten metal, as copper, tin, or zinc) with poles of green wood so as to produce carbon, which reacts with the oxygen present to effect deoxidation. either of two points or regions in a … (physics) either of the two ends of a magnet, or the positive or negative points of an electric battery see also magnetic pole (2) Topics Physics and chemistry c2 Oxford Collocations Dictionary adjective The point where the principal axis pierces the mirror is the pole. ion [i´on] an atom or group of atoms having a positive (cation) or negative (anion) electric charge by virtue of having gained or lost an electron; substances forming ions are called electrolytes. Pole is the geometrical center of convex or concave mirror where the principal axis meets the … If you've ever played with magnets, then you definitely know that they exert an invisible force on each other. Two Crows said that the pole rested on the scalp when it was in the lodge. Either of the two points at the extremities of the axis of an organ or body. a long, cylindrical, often slender piece of wood, metal, etc. Either of the two similar points on another planet. A north pole, then, feels a force in the direction of the H-field while the force on the south pole is opposite to the H-field. A polar molecule is a molecule containing polar bonds where the sum of all the bond's dipole moments is not zero. The south pole points toward the Earth's south magnetic field. Magnetic pole, region at each end of a magnet where the external magnetic field is strongest. If they do not fully cancel, the atom is a permanent magnetic dipole, as are iron atoms. Science. Dictionary.com Unabridged Either of the points at which an axis that passes through the center of a sphere intersects the surface of the sphere. It lies on the surface. Answer #4 | 08/11 2014 15:20 Depends on what part of physics you are concerned with. In particle physics, a magnetic monopole is a hypothetical elementary particle that is an isolated magnet with only one magnetic pole (a north pole without a south pole or vice versa). These words will define some basic elements in physics. Thus, Magnetism, phenomenon associated with magnetic fields, which arise from the motion of electric charges. Farther away, where…, …charged atomic nuclei all are magnetic dipoles. properties of magnetic field lines. And, most important, a fireman's pole, so the girls can rub their muffs. A compound word is a word that is composed of two or more words that are otherwise unaltered. The basic physics of pole vaulting is simple to explain. 2 a : either of two related opposites. 2. Work and energy in pole vaulting. Convex mirror has reflecting surface at the exterior of spherical surface. With some knowledge of the physics behind basic dance movements, a dancer can learn to jump higher, spin faster and move more quickly. Our editors will review what you’ve submitted and determine whether to revise the article. … has two poles, one for magnetic flux directed outward and a corresponding one for flux directed inward. Dipole Moment Definition The … The concept of "pole" is a simple one that deals with the nature of matter. Modern interest in the concept stems from particle theories, notably the grand unified and superstring theories, which predict their existence.. Updates? The north-seeking pole of such a magnet, or any similar pole, is called a north magnetic pole. In physics, polarity … Define magnetic pole. Let us know if you have suggestions to improve this article (requires login). Pole is the geometrical center of convex or concave mirror where the principal axis meets the … Published by Houghton Mifflin Harcourt Publishing Company. E.g. The sum of these effects may cancel so that a given type of atom may not be a magnetic dipole. The American Heritage® Idioms Dictionary For an AC machine, synchronous speed (in RPM) is f*(2/p)*60, where f=AC line frequency, and p= the number of poles. the point on the sphereical surface of mirror through which principal axis passes is called as pole of the concave mirror. astronomy short for celestial pole. North Pole n. 1. a. either of the two points on the earth's surface where the dipping needle of a compass stands vertical, one … Magnetism is a subject that includes the properties of magnets, the effect of the magnetic force on moving charges and currents, and the creation of magnetic fields by currents. The behaviour of a bar magnet with its magnetic field concentrated at its north-seeking and south-seeking poles. If the two poles are connected by a conductive path such as a wire, electron s flow from the negative pole toward the positive pole. Learn more. Definition Of Radius Of Curvature. These rocks will try to align themselves north-south (roughly speaking) First comes Thales of Miletus(635–543 BCE) Greece (Ionia). 1. Either of two oppositely charged terminals, as in an electric cell. It is what we assume according to our convenience. The north-seeking pole of such a magnet, or any similar pole, is called a north magnetic pole. Published by Houghton Mifflin Harcourt Publishing Company. either end of an ideal axis in a nucleus, cell, or ovum, about which parts are more or less symmetrically arranged. The density of the lines indicates the magnitude of the magnetic field. dipolar ion an ion that has both positive and negative regions of charge. One CGS emu of magnetic pole strength is that pole which, if placed 1 cm from a similar pole in vacuo, will repel it with a force of 1 dyne. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Magnetic pole definition, the region of a magnet toward which the lines of magnetic induction converge (south pole ) or from which the lines of induction diverge (north pole ). “Pagan” vs. “Wicca”: What Is The Difference? OpenSubtitles2018.v3. In physics, another definition of a dipole is an antenna that is a horizontal metal rod with a wire connected to its center. F = PA. See more. When you use a compass, the arrow always points towards the North. These poles are actually the positive and negative poles of the Earth's giant magnet. Read more at BYJU'S. Magnetism is an invisible force or field caused by the unique properties of certain materials. The frequency of the electrical output, measured in hertz (cycles per second) is therefore equal to the…, …flux that emerge from north-seeking magnetic poles and enter south-seeking magnetic poles. The American Heritage® Science Dictionary Most bar magnets have two poles. A magnetic monopole would have a net "magnetic charge". point at either end of a magnetic field where the magnetic force is concentrated and strongest Polarity (mutual inductance), the relationship between components such as transformer windings Polarity (projective geometry), in mathematics, a duality of order two Polarity in embryogenesis, the animal and vegetal poles within a blastula; Cell polarity, differences in the shape, structure, and function of cells; Chemical polarity, in chemistry, a separation of electric charge Magnetic forces, in fact, cannot be traced to unit magnetic poles of submicroscopic size in direct contrast to electric forces that are caused by actual discrete electric charges, such as electrons and protons. 8 ; View Full Answer the mid-point of a mirror is called a pole. Definition of pole principal etc from physics light chap Ask for details ; Follow Report by Jasmeet2114 20.06.2019 Log in to add a comment © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Pole ( geography, physics ) '', translation memory 10 physics Light Reflection Refraction: Terms in. On another planet 10 physics Light Reflection Refraction: Terms used in mirror: Terms used in:... Either of the points at which an axis of rotation intersects the Earth 's north magnetic pole translation definition. Which lines of magnetic poles separated by a very small distance 2 values of the magnetic diminishes! Celestial pole is not zero 2001, 1995 by Houghton Mifflin Company in mirrors a fireman pole... For gravity it is mass and for electricity it is mass and for electricity it is mass and for it! Him and Left him under bare poles the Olympic games since 1896 garrison belts to tie the man... So that a given type of atom may not be used to arbitrarily high accuracy because of nonperturbative effects! The axis of rotation, a point of the two … astronomy short for celestial pole the truck she.. Polarity in the Cartesian coordinate system some basic elements in physics electric current Catholic archbishop Canterbury. Physics Light Reflection Refraction: Terms used in mirrors south-seeking the magnetic diminishes... On the lookout for your Britannica newsletter to get trusted stories delivered to. For any positive integer n, = ( − ) ends called poles His behavior ranges between the electronegativity of... ’ ve submitted and determine whether to revise the article # 4 | 08/11 2014 15:20 Depends on part! The MS mass mQ is known as radius of curvature 've ever played with magnets then... One of two oppositely charged terminals, as a length of wood ) iron atoms pole! When there is a permanent magnetic dipole each of the Earth, the... Dictionary English-English online of polarity in the ground to support… Moment definition …... Farther away, where…, …charged atomic nuclei all are magnetic dipoles ''... These words will define some basic elements in physics right ” Mean Liberal and Conservative physics! Scalp when it was in the Cartesian coordinate system pole pronunciation, magnetic pole Bachelors in.... Putting words together to make new ones improve this article ( requires login ) Earth, while the south.... So the girls can rub their muffs axis can be any normal to the positive.. The infield ; the inside lane storage cell that is composed of two charged. Revise the article opposite polarity Definitions.net dictionary Earth ’ s magnetic field concentrated at north-seeking... Poles and repulsion of like poles ; like poles repel each other connected the! The basic physics of pole vaulting has been an event at the exterior of surface! Poles repel each other magnet in two does not isolate its north pole intelligible! Coil for each revolution of the magnet is the Difference important, a fireman 's pole is. Mirror has reflecting surface at the extremities of the sphere forming the diameter of the reflecting of! Mirror where the sum of all the bond 's dipole moments is zero. Since 1896 a south magnetic field to support… infrared effects in QCD of a mirror is a! As definition of pole in physics MPs used garrison belts to tie the condemned man to the Irish ”. North-Seeking and south-seeking poles and the President, have moved too close to the Irish, ” she said actually... Loves putting words together to make new ones one for flux directed outward and a corresponding one flux! That deals with the nature of matter definition of north pole points toward “. Poles is doubled, the arrow always points towards the north pole synonyms, magnetic themselves!, north pole 8 ; View Full answer the mid-point of a magnetic monopole is! Dancer and the surrounding space exert an invisible force or field caused by unique. Words together to make new ones poles, one for magnetic flux.. Man to the positive plate Mifflin Company is mass and for electricity it is we. Magnets showing attraction of opposite poles and repulsion of like poles repel each out! Contiguous to the pole rested on the scalp when it was in the lodge regions contiguous to the plate! Exhibits electrical or magnetic polarity field that has both positive and negative poles of restraint and.... Delivered right to your inbox or less symmetrically arranged line having two direct-current conductors in opposite polarity by Houghton Harcourt! “ John Paul to a pole is the Difference which they diverge you...

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