Network Analysis and Synthesis - ECE Questions and Answers

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Assertion (A): When excited by a unit step voltage, an inductor behaves as open circuit at t = 0.

Reason (R): Inductance has the property of inertia.

Both A and R are true and R is correct explanation of A

Both A and R are true and R is not the correct explanation of A

A is true but R is false

A is false but R is true

Answer : Option A

Explanation :

Because of inertia the current cannot change instantaneously. Therefore it behaves as O.C. at t = 0.

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