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In the circuit shown above, the switch is closed after a long time. The current iS (0+) through the switch is

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  1. 1 A
  2. 2/3 A
  3. 1/3 A
  4. 0 A

Answer (Detailed Solution Below)

Option 3 : 1/3 A
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Detailed Solution

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A t = 0, steady state is reached

= 1 A

At t = 0+, we can draw the circuit as follows

I1 + Is = 1 A

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