Question: A 12 V battery connected to a 6 2, 10 H coil through a switch drives a constant current in the circuit. The switch

A 12 V battery connected to a 6 2, 10 H coil

A 12 V battery connected to a 6 2, 10 H coil through a switch drives a constant current in the circuit. The switch is suddenly opened. Assuming that it took 1 ms to open the switch, calculate the average emf induced across the coil.

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