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4) (10 pts) A circuit consists of a 10V battery, a switch, a 0.1H inductor, and...

4) (10 pts) A circuit consists of a 10V battery, a switch, a 0.1H inductor, and a 10 ohm resistor wired in a loop. Initially the switch is open, so no current flows.

a) Find the EMF across the inductor immediately after the switch is closed.

b) How long does it take for the EMF across the inductor to drop to 1/e of its value just after the switch is closed?

c) Find the current in the circuit a very long time after the switch is closed.

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