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Related Questions

• A magnet is brought towards a coil (i) speedly (ii) slowly then the induced e.m.f./induced charge will be respectively

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• An infinitely long cylinder is kept parallel to an uniform magnetic field B directed along positive z axis. The direction of induced current as seen from the z axis will be

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• The efficiency of transformer is very high because

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• A rectangular coil of 300 turns has an average area of average area of $25\;cm \times 10\;cm.$ The coil rotates with a speed of 50 cps in a uniform magnetic field of strength $4 \times {10^{ - 2}}T$ about an axis perpendicular of the field. The peak value of the induced e.m.f. is (in volt)

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• The self inductance of a straight conductor is

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