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A transistor-oscillator using a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in series produce oscillations of frequency f. If L is doubled and C is changed to 4C, the frequency will be (a) 8f (b) f/2 sqrt(2) (c) f/2 (d) f/4



A transistor-oscillator using a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in series produce oscillations of frequency f. If L is doubled and C is changed to 4C, the frequency will be


        (a)    8f


        (b)    f/2sqrt(2)


        (c)    f/2


(d)    f/4


 

Grade:11

1 Answers

Hrishant Goswami
343 Points
8 years ago

(b)

We know that frequency of electrical oscillation in L.C. circuit is

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