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8) The resonant frequency of a circuit point is f. If the capacitance is made 4 times the initial value , then the resonant frequency will become |
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Answer» Answer: Correct option is A 2 f
As we KNOW, RESONANCE frequency of a circuit f= 2π
1
ie, f∝ C
1
⇒ f f ′
= 4C
C
= 2 1
⇒f ′ = 2 f
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