Question: After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at t=0. In

After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at t=0. In the circuit, & 24.0 V, RA = 4.20 kn, RB 6.50 kn, and L = 627 mH. S = == = RA -000 a b L ww RB (a) What is the emf across the inductor immediately after the switch is opened? V (b) When does the current in the resistor Rg have a magnitude of 1.00 mA? S

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