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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > In given figure, R = 4 K ohm, L = 8 uH, and the ideal battery has e = 20 V. How long after switch S is closed is the current 2 mA ?

In given figure, R = 4 K ohm, L = 8 uH, and the ideal battery has e = 20 V. How long after switch S is closed is the current 2 mA ?

and the ideal battery has e = 20 V. How long after switch S is closed is the current 2 mA ? In given figure L = 8 uH R = 4 K ohm