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A coil of inductance 0.2 henry is connec...

A coil of inductance 0.2 henry is connected to 600 volt battery. At what rate, will the current in the coil grow when circuit is completed?

Text Solution

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As the battery and inductor are in parallel, at any instant, emf of the battery and self emf in the inductor are equal
` |e| = L(dI)/(dt) " or " (dI)/(dt) = (|e|)/(L) = (600 V)/(0.2H) = 3000A s^(-1)`
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