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Current Electricity

Question
CBSEENPH12039617

An ideal coil of 10H is connected in series with a resistance of 5Ω and a battery of 5V. 2 seconds after the connection is made, the current flowing in amperes in the circuit is

  • (1-e)

  • e

  • e-1

  • (1-e-1)

Solution

D.

(1-e-1)

straight i space equals space straight i subscript 0 open parentheses 1 minus straight e to the power of Rt over straight L end exponent close parentheses
space equals space left parenthesis 1 minus straight e to the power of negative 1 end exponent right parenthesis