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Related Questions

• If a change in current of 0.01 A in one coil produces a change in magnetic flux of $1.2 \times {10^{ - 2}}Wb$ in the other coil, then the mutual inductance of the two coils in henries is

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• A step-down transformer is connected to main supply 200V to operate a 6V, 30W bulb. The current in primary is

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• A two metre wire is moving with a velocity of 1 m/sec perpendicular to a magnetic field of $0.5 weber/m^2$. The e.m.f. induced in it will be

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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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• The alternating voltage induced in the secondary coil of a transformer is mainly due to

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