Does capacitance change with frequency?

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Does capacitance change with frequency?

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Answer 1 · 2018-03-06T17:04:20

No, Capacitance does not change with frequency.

Explanation:

Capacitance of a capacitor is given as:
$C = \frac{Q}{V}$ $C=Q/V$
It is simply the charge stored on the plates of a capacitor per unit voltage.

however, if you talk about the Capacitive Reactance $X_{c}$ $X_c$ of a circuit, it indeed depends upon the frequency.

Capacitive reactance is given as:
$X_{c} = \frac{1}{2 π f C}$ $X_c = 1/(2pifC)$

Thus, it is the $C a p a c i t i v e$ $Capacitive$ $R e a c tan c e$ $Reactance$ and $N O T$ $NOT$ the $C a p a c i tan c e$ $Capacitance$ which depends upon $F r e q u e n c y$ $Frequency$ .

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Does capacitance change with frequency?

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