Verified Solution • 2025–26 Session moderate

QJEEM21Ph633b: JEE Main 2021 Physics - Class 12 JEEM21Ph633b Solution: In an ac circuit, an inductor, a capacitor and a resistor are…

In an ac circuit, an inductor, a capacitor and a resistor are connected in series with XL = R = XC. Impedance of this circuit is :

Multiple Choice Options

  • A 2R2
  • B Zero
  • C R
  • D R 2\sqrt 2

Step-by-Step Verified Solution

Z=(XL−XC)2+R2=RZ = \sqrt {{{({X_L} - {X_C})}^2} + {R^2}} = R ∵\because XL = XC

Option (c)

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