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Related Questions

• When a wire loop is rotated in a magnetic field, the direction of induced e.m.f. changes once in each

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• A coil of $N$ turns and mean cross-sectional area $A$ is rotating with uniform angular velocity $\omega$ about an axis at right angle to uniform magnetic field $B$. The induced e.m.f. $E$ in the coil will be

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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 magnetic flux through a circuit of resistance $R$ changes by an amount $\Delta \varphi $ in time $\Delta t$, Then the total quantity of electric charge $Q$, which passing during this time through any point of the circuit is given by

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• The mutual inductance of an induction coil is $5H$. In the primary coil, the current reduces from $5A$ to zero in ${10^{ - 3}}s$. What is the induced emf in the secondary coil

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