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 If the switch is closes at t=0, what is the current in the circuit?
  • a)
    0A
  • b)
    10A
  • c)
    20A
  • d)
    30A
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If the switch is closes at t=0, what is the current in the circuit?a)0...
Due to the presence of inductor current won't rise immediately when the switch is closed. inductor current= integral V dt. over 0 seconds results in zero
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Community Answer
If the switch is closes at t=0, what is the current in the circuit?a)0...
Initially, when the switch is open, the current in the circuit is 0. As soon as the switch is closes at t=0+, the inductor acts as an open circuit, hence the current in the circuit is zero.
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