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0 votes
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in Alternating Current by (26.7k points)

A capacitor of capacitance C has reactance X. If capacitance and frequency become double then reactance will be

(a)  4X 

(b) X/2 

(c) X/4 

(d) 2X

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1 Answer

+2 votes
by (26.1k points)
edited by

(c)  X/4

Explanation :

X = \(\frac{1}{C_ω},X' =\frac{1}{4Cω}\)

∴  X' =  \(\frac{X}{4}\)

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