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The resonance frequency of the tank circuit of an oscillator when L=10π2mH and  C=0.04μF are connected in parallel is

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a
250KHz
b
25 KHz
c
2.5 KHz
d
25MHz

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detailed solution

Correct option is B

f=12π1LC  =12π110π2×10−3×0.04×10−6=12×2×10−5=0.25×105Hz=25KHz


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