MCQ Practice Question

A 10 V DC step is applied to an initially uncharged RC circuit. After one time constant, the capacitor voltage is closest to?

  • A3.68 V
  • B5.00 V
  • C6.32 V
  • D10.0 V
Report an error
Correct Answer: C. 6.32 V
Explanation: At t=tau, vC=V(1-e^-1)≈0.632V=6.32 V.
Reference: Standard network theory: RC charging numerical
Continue practicing: Network Theory MCQs or browse all MCQs.