As per the given graph choose the correct representation for curve A and curve B. {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}
(A)A=XC,B=R
(B)A=XL,B=Z
(C)A=XC,B=XL✓ Correct
(D)A=XL,B=R
Answer: (C)
Solution
Capacitive reactance is XC=2πfC1, which decreases as frequency rises and traces the falling hyperbola marked A. Inductive reactance is XL=2πfL, which grows in proportion to frequency and traces the straight line through the origin marked B. Thus curve A represents XC and curve B represents XL.
JEE Main · 2023 · 11 Apr 2023 · Shift 1 · Single correct option