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For an LCR series circuit with an aac so...

For an LCR series circuit with an aac source of angular frequency `omega`.

A

circuit will be capacitive if `omega(1)/(sqrt(LC))`

B

circuit will be inductive if `omega=(1)/(sqrtLC)`

C

power factor of circuit will by capacitive reactance equals incductive reactance.

D

current will be leading voltage is if `omega gt (1)/(sqrtLC)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The resonance frequency of a certain RLC series circuit is omega_(0) . A source of angular frequency 2 omega_(0) is inserted into the circuit. After transients die out, the angular frequency of current oscillation is

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  • For an LCR sereis circuit with an angular freequency omega .

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    Circuit will be capacitive if `omega gt (1)/(sqrt(LC))`
    B
    Circuit will be inductive if `omega = (1)/(sqrt(LC))`
    C
    Power factor of circuit will be unity if capacitive reactance equals inductive reactance
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    `[(Romega)^(2)+(Lomega-1/(Comega))^(2)]^(1//2)`
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