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AP EAMCET202419 May 2024Evening ShiftPhysicsAlternating CurrentActual

A series LCR circuit is shown in the figure. Where the inductance of 10 H , capacitance 40 ~F and resistance 60 are connected to a variable frequency 240 V source. The current at resonating frequency is

Options

  1. A4A
  2. B2A
  3. C5.4A
  4. D5.8A

Correct answer

A. 4A

Step-by-step solution

In LCR series circuit, L =10 H , C =40 ~F , R =60 , ~V =240 v At resonance, Z=R=60 Current, I= V Z = 240 60 =4 ~A

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