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Question

An AC rms voltage of 2V having a frequency of 50 KHz is applied to a condenser of capacity of 10mF The maximum value of the magnetic field between the plates of the condenser if the radius of plate is 10cm is

  1. 0.4 pm    
  2. 4pmT    
  3. 2mT    
  4. 40pmT    

The correct answer is: 2mT

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