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Related Questions

• A coil having an area ${A_0}$ is placed in a magnetic field which changes from ${B_0}$to $4{B_0}$ in a time interval t. The e.m.f. induced in the coil will be

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• The equivalent quantity of mass in electricity is

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• The current in a coil changes from 4 ampere to zero in 0.1 s. If the average e.m.f. induced is 100 volt, what is the self inductance of the coil

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• A coil has 2000 turns and area of $70c{m^2}$. The magnetic field perpendicular to the plane of the coil is $0.3Wb/{m^2}$and takes $0.1 sec$ to rotate through ${180^o}$. The value of the induced e.m.f. will be

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