Which of the following is a natural magnet?
S oft iron
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The conduction of electricity across the surface of a dielectric is called
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An effect which is generally used in the gausameter to measure flux density.
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A magnetic flux of 2.5 x10^4 Wb through an area of 5 x10^4 square meters results in
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The reluctance of a magnetic circuit is not dependent on which of the following?
Electron is a Greek word for
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