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Related Questions

• A rectangular coil of 20 turns and area of cross- section 25 sq cm has a resistance of 100 ohm. If a magnetic field which is perpendicular to the plane of the coil changes at the rate of 1000 Tesla per second, the current in the coil is

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• A coil of 100 turns and area 5 square centimetre is placed in a magnetic field B = 0.2 T. The normal to the plane of the coil makes an angle of 60° with the direction of the magnetic field. The magnetic flux linked with the coil is

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• In an inductor of inductance L = 100 mH, a current of $I = 10A$ is flowing. The energy stored in the inductor is

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• A coil of inductance L is carrying a steady current i. What is the nature of its stored energy

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• The ratio of secondary to primary turns is $9:4.$ If power input is $P$, what will be the ratio of power output (neglect all losses) to power input

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