Qstnid -I-1-what Is The Reactance Of A Capacitor Connected To A Constant Dc Source? - 39: Alternating Current - Cbse-xi-physics

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CBSE-XI-Physics

39: Alternating Current

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#1
What is the reactance of a capacitor connected to a constant DC source?
Ans : The reactance of a capacitor is given by,
`` {X}_{c}=\frac{1}{\omega C}``
For a DC source, ω = 0
`` \Rightarrow {X}_{c}=\frac{1}{0\times C}=\infty ``
So, for a constant DC source, reactance of a capacitor is infinite.
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