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Related Questions

• The self inductance of a coil is L. Keeping the length and area same, the number of turns in the coil is increased to four times. The self inductance of the coil will now be

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• What is increased in step-down transformer

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• If the current 30 A flowing in the primary coil is made zero in 0.1 sec. The emf induced in the secondary coil is 1.5 volt. The mutual inductance between the coil is

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• A coil of resistance $10 \Omega$ and an inductance 5H is connected to a 100 volt battery. Then energy stored in the coil is

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• In a region of uniform magnetic induction $B = {10^{ - 2}}\,tesla$, a circular coil of radius 30 cm and resistance $\pi ^2 ohm$ is rotated about an axis which is perpendicular to the direction of B and which forms a diameter of the coil. If the coil rotates at 200 rpm the amplitude of the alternating current induced in the coil is

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