A capacitor has capacity C and reactance X. If capacitance and frequency become double, then reactance will be
A capacitor has capacity C and reactance X. If capacitance and frequency become double, then reactance will be
A. `2X`
B. `4X`
C. `X/2`
D. `X/4`
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Correct Answer - D
`X_(C) = 1/(omega C) = 1/(2 pi fC)`
`:. ((X_C)_(2))/((X_C)_(1)) = (2 pi f_(1)C_(1))/(2 pi f_(2)C_(2)) = 1/4`.
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