cse โข paper_1 โข electrodynamics
[UPSC CSE 2018] Electrostatics and Magnetostatics (Q86, 10M)
A 12.0 V battery is connected at t=0 to a series combination of a resistor R=10.0\Omega and an inductor L=5.0\mathrm{H}. At what rate is energy being stored in the inductor when the current in the circuit is 0.4 A?
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