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  • Need clarity, kindly explain! The switch S is closed in the circuit shown at time t = 0. The current in the resistor at t = 0 and t = ∞ are respectively.

The switch S is closed in the circuit shown at time t = 0. The current in the resistor at t = 0 and t = ∞ are respectively.

  • Option 1)

    0, 0 Amp.

  • Option 2)

    1, 0 Amp.

  • Option 3)

    0, 1 Amp.

  • Option 4)

      1, 1 Amp.

 

Answers (1)

As learnt in

Self Inductance -

An emf is induced in the coil or the circuit which oppose the change that causes it. Which is also known back  emf.

- wherein

 

 At t = 0, no current will flow from inductor but p current can flow through capacitor.

At t\rightarrow \infty , no current flows through capacitor but current can easily flow through inductor.

\therefore  I in both case = \frac{10V}{10\Omega } = 1 \ A


Option 1)

0, 0 Amp.

This option is incorrect

Option 2)

1, 0 Amp.

This option is incorrect

Option 3)

0, 1 Amp.

This option is incorrect

Option 4)

  1, 1 Amp.

This option is correct

Posted by

Vakul

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