1.

In a series LCR circuit, different physical quantities vary with frequency omega. Which of the following curves represent correct frequency variation of the corresponding quantity?

Answer»

Curve I for `R`
Cuve II for current I
Curve III for `X_(L)`
Curve IV for `X_(C)`

Solution :`R` is independent of freq,
(A) is true
Current becomes maximum at RESONANCE
(B) cannot be true
`X_(L)=L=2pifL`
(C) is true
`Y=1/C=1/(2pifC)`
(D) can not be true


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