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Quality factor is given by which of the following expression?

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Quality factor is given by which of the following expression?

(a) Q = ^1⁄R

(b) Q = R

(c) Q = ^X⁄R

(d) Q = XR

The question was asked at a job interview.

My doubt stems from Schering Bridge topic in portion Measurement of Inductance and Capacitance of Electrical Measurements

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The correct choice is (c) Q = ^X⁄R

For explanation: The quality factor the Schering bridge circuit is defined as Q = ^X⁄R.

where, X = ^1⁄wC is the capacitive impedance.

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