The initial current in the circuit shown below when the

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The initial current in the circuit shown below when the switch is opened for t > 0 is—

1. 1·67 A
2. 3A
3. 0A
4. 2A

Correct Option: A

Applying KVL in the loop
20 – 10I – 2I = 0
at t < 0 20 = 12I
or I = 1·67 A