Question

It takes 2.25 ms for the current in an LR circuit to increase from zero to...

It takes 2.25 ms for the current in an LR circuit to increase from zero to 0.66 its maximum value.

Part A

Determine the time constant of the circuit.

Express your answer to two significant figures and include the appropriate units.

Part B

Determine the resistance of the circuit if 35.0 mH .

Express your answer to two significant figures and include the appropriate units.
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