Home Physics Alternating Current JEE Main 2023 As per the given graph, choose the correct r…
Physics Alternating Current JEE Main 2023 MCQ (Single Correct)

As per the given graph, choose the correct representation for curve A and curve B

{Where X C = Reactance or pure capacitive circuit connected with A.C. source

X L = 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 = X C , B = R
B
A = X L , B = R
C
A = X L , B = Z
D
A = X C , B = X L

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Text Solution

Verified by Experts
The correct answer is:
D

The formula to calculate the inductive reactance is

X L = L ...(i)

The formula to calculate capacitive reactance is

…(ii)

As can be seen from equation (i), the inductive reactance varies directly with the frequency and equation (ii) indicates that capacitive reactance varies inversely with the frequency.

Hence, curve A represents the capacitive reactance and curve B represents the inductive reactance.

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