Multiple choice

The switch in the circuit shown was on position for a long time, and is move to position b at time t = 0. The current i (t) for t > 0 is given by

  1. 0.2 $e^{-125t}$u (t) mA
  2. 20$e^{-1250t}$u (t) mA
  3. 0.2$e^{-1250t}$u (t) mA
  4. 20$e^{-1000t}$u (t) mA
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

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