Question: 1. In Figure 1 , the switch S has been closed for a long time and the circuit carries a constant current. S 500 0

1. In Figure 1 , the switch S has been closed for a long time and the circuit carries a constant current. S 500 0 30 V 6k0 12OF Figure 1. (a) What is the voltage across the capacitor? Show your work or explain. (b) Now the switch S is opened at t = 0. (Switch S is open for all questions below) (i) What is the initial discharge current through the 50092 resistor? (ii) How long does it take the capacitor to discharge to one-fifth of its original voltage? (iii) Determine the charge on the capacitor at time t = 0.05 s. (iv) What is the amount of charge left on the capacitor after 75 time constants has passed (t = 75RC)

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