Question 30 of 190

At very high frequencies, the effective impedance of the given circuit will be _________$\Omega .$

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Answer: 2

For $\omega \rightarrow \infty$
$\dfrac{1}{\omega C}\rightarrow 0\Rightarrow$ capacitance acts as short circuit
& $\omega L\rightarrow \infty$ Inductance acts as open circuit

$Z=1+\dfrac{2\times 2}{2+2}=2\Omega$

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