MCQ Practice Question

The time constant of a first-order RL circuit is?

  • AL/R
  • BR/L
  • CLR
  • D1/(LR)
Report an error
Correct Answer: A. L/R
Explanation: For a series RL first-order circuit, tau = L/R seconds.
Reference: Standard network theory: transient analysis
Continue practicing: Network Theory MCQs or browse all MCQs.