| 41. | Filament cavities are cooler clouds of gases ( plasma ) suspended above the Sun's surface by magnetic forces.
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| 42. | The brakes induce current to circulate in the rails, and the rails a generate an opposing magnetic force.
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| 43. | The Gilbert model assumes that the magnetic forces between magnets are due to magnetic charges near the poles.
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| 44. | "` It'is that quality possessed by some which draws all others with its magnetic force, " she wrote.
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| 45. | Michael Faraday and James Clerk Maxwell demonstrated that electric and magnetic forces were unified through a theory of electromagnetism.
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| 46. | I know magnetic force declines with the square of distance, so the peak power would be many times higher.
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| 47. | On Earth, the lines of magnetic force that envelop the planet indicate the hot churning of a molten core.
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| 48. | Environmental temperature affects the magnetic forces of magnets and the winding resistance, and so indicates changes in motor performance.
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| 49. | Trams and trains use electromagnetic track brakes where the braking element is pressed by magnetic force to the rail.
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| 50. | It's the law of reciprocity Our written goals and plans act as a magnetic force which draws us to them.
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