At very high frequencies, the effective impedance of the given circuit will be _________ Ω .

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Question: Answered & Verified by Expert

At very high frequencies, the effective impedance of the given circuit will be _________

Ω .

PhysicsAlternating CurrentJEE MainJEE Main 2021 (31 Aug Shift 2)

Solution:

1642 Upvotes Verified Answer

The correct answer is: 2

For

ω \to \infty

\frac{1}{ω C} \to 0 \Rightarrow

capacitance acts as short circuit
&

ω L \to \infty

Inductance acts as open circuit

Z = 1 + \frac{2 \times 2}{2 + 2} = 2 Ω

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