How to use magnetic poles in a sentence

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Sentence Examples The current magnetises the iron core and creates a pair of magnetic poles, one North, and the other South. The direction follows the magnetic poles of the Earth between the Southern and Northern hemispheres. Second, the magnetic field is constantly changing, and this means that the magnetic poles are constantly in motion. The magnetic poles or dip pole are computed from all the Gauss coefficients using an iterative method. Earth has magnetic poles because of charged-particle currents roiling deep within its molten core. The magnetic poles are different from geographic poles, the surface points marking the axis of Earth's rotation. Like Earth, the Sun has magnetic poles, but unlike Earth, the Sun's polarity is not constant. Evidence from rocks of the same age in different continents indicates different ancient positions for the earth's magnetic poles. Scientists have long known that magnetic poles migrate and in rare cases, swap places. Even at the present time, while the Earth's magnetic field is relatively stable, the location of the magnetic poles is slowly shifting. Every 11 years the Sun reaches a peak of activity that triggers the magnetic poles to exchange places. The fundamental nature of magnetism was not associated with magnetic poles or iron magnets, but with electric currents. Ferromagnetic objects are of metallic composition and are highly attracted to magnetic poles. As it is, auroras on Earth follow magnetic lines of force that converge at the north and south magnetic poles. Streams of very energetic particles produced during solar storms enter the ionosphere in the regions near the magnetic poles. This radiation is released as intense beams from the pulsar's magnetic poles. This accompanying figure shows the Arctic insert on Mercator's famous map of 1569 which clearly shows two magnetic poles, separated by 500 km. No doubt because those magnetohydrodynamic currents are complex and unpredictable, the Earth's magnetic poles shift and even flip as time goes by. The rotating field speed depends on the number of magnetic poles in the stator and is referred to as the synchronous speed. Encapsulated armatures offer high thermal transfer and mechanical protection, while high magnetic poles enable high-torque density and short axial length. Show More Sentences The magnetic poles were perpendicular to its rotational axis. The accuracy of the model will worsen at locations close to the magnetic poles. A steel nail can be magnetized, however, when struck while aligned with Earth's magnetic poles. The magnetic poles are written to a different spot on the rotor during each revolution when rotor speed changes. He defined the magnetic poles as the two places on the surface of the earth where a magnetized needle would stand vertically. Canada is a large country, and at the moment is playing host to a very rare and fascinating thing: one of the Earth's magnetic poles. Rather than having straightforward up and down magnetic poles, they also have lateral poles. Viewed from space, it appears around both of Earth's magnetic poles as halos of fire. Like his heroes, he frequently commutes between the magnetic poles of depression and exuberance. As a result, the rotor wants to align the magnetic poles, which creates a starting torque. The magnetic compass is very reliable at moderate latitudes, but in geographic regions near the Earth's magnetic poles it becomes unusable. From this, he showed that the most efficient motors are likely to have relatively large magnetic poles. Compasses have natural magnetic variations in relation to the magnetic poles, a fact which navigators have known for centuries. Exposure to strong magnets, or magnetic interference can sometimes cause the magnetic poles of the compass needle to differ or even reverse. The Earth's magnetic field is aligned roughly along the spin axis and has an approximate dipole shape, similar to that of a bar magnet, with north and south magnetic poles. The rotor then develops its own magnetic poles, which in turn become dragged along by the electromagnetic force from the rotating magnetic field in the stator. The possibility that they might reflect true wander of the poles was discarded, because it implies separate wanderings of many magnetic poles over the same period. There was no apparent connection of electricity with magnetism, except that magnetic poles, like electric charges, attract and repel with an inverse-square law force. The magnet will align itself with Earth's north and south magnetic poles. During the interval during which there is no dipole, the non-dipole part of the field persists, and the magnetic poles would not migrate in a systematic fashion. Show More Sentences The scarcity and ambiguity of observations have led to two competing theories explaining how the magnetic field pattern changes, and how the magnetic poles behave during a reversal. Some high-energy particles get caught in the Earth's magnetic field and are forced to follow the magnetic field lines north and south, and downward towards the magnetic poles. They are most prominent in higher latitudes near the magnetic poles. This is the normal state of affairs, but occasionally the magnetic field switches polarity, the north and south magnetic poles reverse, and the field settles down in the opposite state. Not everyone agreed with Gauss's idea at the time, but today his method of spherical harmonic analysis is universal, as is his concept of the magnetic poles. The location of the Earth's magnetic poles slowly change with time, which is referred to as geomagnetic secular variation. Starquakes in slowing neutron stars drive matter toward the magnetic poles, distort the star's shape, and excite precession. Polar wander can be used to measure the degree to which Earth's magnetic poles have been observed to move relative to the Earth's rotation axis. Windings are wires that are laid in coils, usually wrapped around a laminated soft iron magnetic core so as to form magnetic poles when energized with current. However, at irregular intervals averaging several hundred thousand years, the Earth's field reverses and the North and South Magnetic Poles relatively abruptly switch places. In May 1945 an RAF Lancaster of the Aries expedition became the first Commonwealth aircraft to overfly the North Geographic and North Magnetic Poles. Examples from Classical Literature Its germ was the Cartesian vortices, suggested by the curvilinear forms of iron filings in the vicinity of magnetic poles. The North and South magnetic poles wander widely, but sufficiently slowly for ordinary compasses to remain useful for navigation. Instead, accreting matter falls directly on the magnetic poles of the white dwarf. But unlike Earth's, the sun's magnetic poles flip every 11 years or so, just as the sunspot number is peaking. At that speed, the magnetic poles and their motions turn into a flicker, a blur, a cloud of activity centered at the true north pole. The reversal of the sun's magnetic poles is considered as a big event because scientists predict that change in the magnetic influence extends beyond Pluto. The natural phenomenon is caused by charged particles colliding in the Earth's atmosphere and is seen above the magnetic poles of the northern and southern hemisphere. Find more words! 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Words that rhyme with magnetic poles Use our Sentence Generator Nearby Words magnetic pole magnetic personality magnetic force magnetic field magnetic domain magnetically magnetic resonance imaging magnetic reversal magnetics magnetisation magnetise magnetised