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Related Questions

• An L-R circuit has a cell of e.m.f. E, which is switched on at time t = 0. The current in the circuit after a long time will be

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• A horizontal straight conductor kept in north-south direction falls under gravity, then

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• When the current in a coil changes from 8 ampere to 2 ampere in $3 \times {10^{ - 2}}$second, the e.m.f. induced in the coil is $2\;volt$. The self inductance of the coil (in millihenry) is

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• A coil of area $100c{m^2}$ has 500 turns. Magnetic field of $0.1\;weber/metr{e^2}$ is perpendicular to the coil. The field is reduced to zero in 0.1 second. The induced e.m.f. in the coil is

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• A coil of wire of a certain radius has 600 turns and a self inductance of 108 mH. The self inductance of a 2nd similar coil of 500 turns will be

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