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JEE Mains · Physics · STD 12 -Alternating current
  • JEE Mains 2013
  • Medium
  • MCQ

When resonance is produced in a series \(LCR\) circuit, then which of the following is not correct ?

Pick an option to check your answer.
Verified Solution

Answer & Solution

Correct Answer

(D) Impedance of the circuit is maximum

Step-by-step Solution

Detailed explanation

Impedance ( \(Z\) ) ofthe series \(LCR\) circuit is

\(\mathrm{Z}=\sqrt{\mathrm{R}^{2}+\left(\mathrm{X}_{\mathrm{L}}-\mathrm{X}_{\mathrm{C}}\right)^{2}}\)

At resonance, \(\mathrm{X}_{\mathrm{L}}=\mathrm{X}_{\mathrm{C}}\)

Therefore, \(Z_{\text {minimun }}=\mathrm{R}\)

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