Q.A capacitor is charged to V and then discharged through R. The charge at time t is Q = $Q_0 e^{-t/RC}.$ The time constant is

R/C

C/R

1/RC

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.A capacitor is charged to V and then discharged through R. The charge at time t is Q =Q0e−t/RC. Q_0 e^{-t/RC}.Q0​e−t/RC. The time constant is