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  • To reduce the resonant frequency in an LCR series circuit with a generator A. the generator frequency should be reduced.

To reduce the resonant frequency in an LCR series circuit with a generator
A. the generator frequency should be reduced.
B. another capacitor should be added in parallel to the first.
C. the iron core of the inductor should be removed.
D. dielectric in the capacitor should be removed.

Answers (1)

The answer is the option (b)

 v_0=\frac{1}{2\pi\sqrt{LC}} 

 According to the formula to reduce v0 we have to increase either of the L or C.
And for increasing the capacitance or C, another capacitor should be in parallel  connection to the first

 

Posted by

infoexpert21

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