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Most Important Selected Qs for JEE AdvancedPhysicsAlternating Current

Figure shows a series LCR circuit connected to a variable frequency 200 V source. L =5 H , C =80 F and R =40 . What is the source frequency which drives the circuit at resonance?

Options

  1. A25 Hz
  2. B25 / Hz
  3. C50 Hz
  4. D50 / Hz

Correct answer

B. 25 / Hz

Step-by-step solution

w₀= 1 L C = 1 2 10⁻² op, 2 f=50 op, f= 25 Hz

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