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Solution


Q.

As per the given graph choose the correct representation for curve A and curve B.            [2023]

{Where: XC = reactance of pure capacitive circuit connected with A.C. source

XL = reactance of pure inductive circuit connected with A.C. source

R = impedance of pure resistive circuit connected with A.C. source

Z = impedance of the LCR series circuit}
1 A=XC, B=R  
2 A=XL, B=Z  
3 A=XC, B=XL  
4 A=XL, B=R  

Ans.

(3)

XC=1ωC=1(2πf)C

∴   XC∝1f

∴ Curve A

XL=ωL=(2πf)L

∴ XL∝f

∴ Curve B