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MHT CET20244 May 2024Morning ShiftPhysicsAlternating CurrentActual

An inductor of inductance 2 H is connected in series with a resistance, a variable capacitor and an a.c. source of frequency 5 kHz . The value of capacitance for which maximum current is drawn into the circuit is 1 x F , where the value of ' x ' is (Take ^2=10 )

Options

  1. A500
  2. B1000
  3. C2000
  4. D4000

Correct answer

C. 2000

Step-by-step solution

For maximum current to be drawn the circuit should be in resonance, aligned & X _ L = X _ C 2 fL = 1 2 fC & C = 1 4 ^2 f ^2 ~L = 1 4 10 25 10^6 2 10⁻⁶ & C = 1 2000 ~F x =2000 aligned

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