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A 10 ohm resistance, 5 mH coil and 10mu ...

A `10` ohm resistance, `5 mH` coil and `10mu F` capacitor are joined in series. When a suitable frequency alternating current source is joined to this combination, the circuit resonates. If the resistance is halved, the resonance frequency

A

is halved

B

is doubled

C

remains unchanged

D

in quadrupled

Text Solution

Verified by Experts

The correct Answer is:
C
Resonant frequency , f = 1/`2pi``sqrt LC`
does not depend on resistance .
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