Question

In the circuit shown below, the emf of the battery is 19.0V, L = 1.20 H, R1 = R2 = R, and R3 = 2R, where R = 8.00 Ω. Initially, the switch is open. At t is closed 0, the switch Ri (a) What is the time constant of this circuit? 0.09 (b) Determine the current flowing through the inductor at t 3.25 ms. mA (c) How much current flows out of the battery at t 3.25 ms?

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