Question

part 1 A 48 volt battery (DC) is connected in series to a 10 milli-henrie inductor,...

part 1

A 48 volt battery (DC) is connected in series to a 10 milli-henrie inductor, and a 3 ohm resistor. What is the current in the circuit, in amps, after 2.1 milli-seconds?

part 2

A 29 milli-henrie inductor and a 3 ohm resistor are connected without a battery. The initial current in the circuit is 10 amps. How long does it take, in milli-seconds, for the current to be 3.7 amps?

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