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BITSAT 2024Paper 2
Exam
BITSAT
Year
2024
Paper
Paper 2
Subject
Physics
Chapter
Alternating Current

BITSAT 2024 · Paper 2 · Physics · Alternating Current

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=XCX_L=R=\mathrm{X}_{\mathrm{C}}. Impedance of this circuit is :

Options

  1. A2R22 \mathrm{R}^2
  2. BZero
  3. CR
  4. DR2\mathrm{R} \sqrt{2}

Correct answer

C. R

Step-by-step solution

Impedance in LCR circuit Z=(XL−XC)2+R2∵XL=XC=R∴Z=RZ=\sqrt{\left(X_L-X_C\right)^2+R^2} \quad \because X_L=X_C=R\therefore Z=R
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