Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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Which of the Following Plots May Represent the Reactance of a Series Lc Combination? - Physics

Short Note
Sum

Which of the following plots may represent the reactance of a series LC combination?

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Solution

(d)

The reactance of a series LC circuit is given by,
`X = X_L - X_c = omegaL - 1/"omegaC"`
⇒ `X =2pi fL - 1/(2pifC) `
The correct relation between the reactance and f is represented by the graph in option (d).
`X = 0, "when"  X_L = X_c`

Thus plot d represent the reactance of a series LC combination.

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
MCQ | Q 6 | Page 329
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