SSC JE Electrical Engineering 23 Jan 2018 Morning Paper

Question : 132 of 200

Marks: +1, -0

At resonant frequency, the impedance of the series RLC circuit is__________.

Solution:

For series RLC circuit

⇒ Z=R+j(X_L-X_C)

Now at resonance,

X_L = X_C

∴ Z = R
(Purely resistive)

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