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Circuits with Resistors and Inductors Practice Test

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Q1

A series circuit consists of an ideal battery with emf $$E$$, a resistor of resistance $$R$$, an inductor of inductance $$L$$, and an open switch. At time $$t=0$$, the switch is closed.

What is the physical significance of the time constant, $$\tau = L/R$$, for this circuit?

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