A 50Omega resistor is connected in serie...

A `50Omega` resistor is connected in series with an inductance of 450 mH and capacitance 9 `muF`. The resonant frequency is nearly

79 Hz

97 Hz

85 Hz

65 Hz

Text Solution

Verified by Experts

The correct Answer is:

`f_(r)=(1)/(2pisqrt(LC))`
`=(1)/(2xx3.14sqrt(450xx10^(-3)xx9xx10^(-6)))`
`~~79Hz`

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