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Question

The Q-meter works on the principle of

A
mutual inductance
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B
self inductance
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C
series resonance
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D
parallel resonance
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Solution

The correct option is C series resonance
Q=ω0LR
Where ω0 is the resonant angular frequency, L is the inductance and R is the effective resistance of the coil.
The principle of working of Q-meter is based upon series resonance of R,L,C circuit.

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