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The current following through an inductance coil of self inductance 6 mH at different time instants is as shown. The emf induced between t=20 s and t=40 s is nearly

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Important Questions on Electromagnetic Induction

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LC oscillations are similar and analogous to the mechanical oscillations of a block attached to a spring. The electrical equivalent of the force constant of the spring is
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In an oscillating LC circuit, L=3.00 mH and C=2.70 μF. At t=0 the charge on the capacitor is zero and the current is 2.00 A. The maximum charge that will appear on the capacitor will be