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A radio tuner has a frequency range from...

A radio tuner has a frequency range from `500 kHz` to `5 MHz`. If its `LC` circuit has an effective inductance of `200 mu H`, what is the range of it varialbe capacitors? (Take `pi^(2) = 10 )`.

A

2.5 pF to 250 pF

B

5.0 pF to 500 pF

C

7.5 pF to 750 pF

D

10 pF to 1000 pF

Text Solution

Verified by Experts

The correct Answer is:
A
Resonant frequency `= (1)/(2 pi sqrt(LC))`
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