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Question

A resistor of R=6 Ω an inductor of L=1 H and a capacitor of C=17.36 μF are connected in series with an AC source. Find the quality factor.

A
3.72
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B
40
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C
2.37
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D
80
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Solution

The correct option is B 40
We know that the quality factor is given by:

Q=ω0LR

Here, ω0=1LC

Q=1LC×LR=1RLC

From the data given in the question:

Q=16×117.36×106

Q40

Hence, (B) is the correct answer.

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