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The area of each plate of a parallel plated condenser is 144cm2 The electrical field in the gap between the plates changes at the rate of 10 to the power of 12 end exponent V m to the power of negative 1 end exponent S to the power of negative 1 end exponent The displacement current is

  1. fraction numerator 4 over denominator pi end fraction A    
  2. fraction numerator 0.4 over denominator pi end fraction A    
  3. fraction numerator 40 over denominator pi end fraction A    
  4. fraction numerator 1 over denominator 10 pi end fraction A    

The correct answer is: fraction numerator 0.4 over denominator pi end fraction A

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