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Resonance in RLC Circuit

When the freq...

Question

When the frequency is decreased, the impedance of a parallel RL circuit :

A

Decreases

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B

Increasess

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C

is not a factor

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D

Remains constant

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Solution

The correct option is A Decreases
$X = \sqrt{R^{2} + ω^{2} L^{2}}$

On decreasing frequency that is $ω$ , impedence $X$ decreases.

Answer-(A)

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