In the circuit of Fig. 30-76, R1 = 20 kΩ, R2 = 20Ω, L = 50 mH, and the ideal battery has & = 40 V. Switch S has been open for a long time when it is closed at time t = 0. Just after the switch is closed, what are?
(a) The current ibat through the battery
(b) The rate dibat/dt? At t = 3.0 ms, what are?
(c) ibat
(d) dibat / dt? A long time later, what are?
(e) ibat
(f) dibat/dt

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R1 ww