Consider an RL circuit with R = 1.6 k?, L = 240 mH and E= 12 V and a switch S. Imagine we put the switch in position a and wait a "long" time. Then we put the switch at position b at t = 0. (i.e., assume that the time is reset to zero at this time.)
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a) What is the initial value for the current, just after the switch is put to position b?
b) What is the current after a long time passed since the switch is put to position b?
c) How long will it take (from t = 0) for the current to drop to one third its initial value?