1.

In the circuit shown, when the switch is closed, the capacitor charges with a time constant (a) RC (b) 2RC (c) 1/2 RC (d) RC ln 2

Answer»

Correct Answer is: (a) RC

The resistance in the middle plays no part in the charging process of C, as it does not alter either the potential difference across the RC combination or the current through it. 



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