Easy MCQ +4 / -1 PYQ · JEE Mains 2021

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

  1. A 2R<sup>2</sup>
  2. B Zero
  3. C R Correct answer
  4. D R$\sqrt 2$

Solution

$Z = \sqrt {{{({X_L} - {X_C})}^2} + {R^2}} = R$ $\because$ X<sub>L</sub> = X<sub>C</sub><br><br>Option (c)

About this question

Subject: Physics · Chapter: Alternating Current · Topic: AC Circuits: R, L, C

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