Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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What is the Reactance of a Capacitor Connected to a Constant Dc Source? - Physics

Short Note
Sum

What is the reactance of a capacitor connected to a constant DC source?

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Solution

The reactance of a capacitor is given by,
`X_c = 1/{wc}`
For a DC source, ω = 0
⇒ `X_c = 1/(0xxc) =  ∞ `
So, for a constant DC source, reactance of a capacitor is infinite.

Concept: Reactance and Impedance
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APPEARS IN

HC Verma Class 11, Class 12 Concepts of Physics Vol. 2
Chapter 17 Alternating Current
Short Answers | Q 1 | Page 328
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