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Question: Answered & Verified by Expert
In $C R$-circuit the growth of charge on the capacitor is
PhysicsAlternating CurrentTS EAMCETTS EAMCET 2020 (10 Sep Shift 1)
Options:
  • A more rapid if the CR is smaller
  • B more rapid if the CR is larger
  • C independent of CR
  • D independent of time
Solution:
2392 Upvotes Verified Answer
The correct answer is: more rapid if the CR is smaller
(a) Growth of charge on capacitor in a $C R$ circuit occurs as
$Q=Q_0\left(1-e^{-t / R C}\right)$
If product $C R$ is small, then time constant for $C R$ circuit is small and growth of charge will be more rapid.

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