Physics-
General
Easy

Question

An electric field of 300V/m is confined to a circular area 10 cm in diameter. If the field is increasing at the rate of 20V/m-s, the magnitude of magnetic field at a point 15cm from the centre of the circle will be

  1. 1.85 cross times 10 to the power of negative 15 end exponentT    
  2. 1.85 cross times 10 to the power of negative 16 end exponentT    
  3. 1.85 cross times 10 to the power of negative 17 end exponent T    
  4. 1.85 cross times 10 to the power of negative 18 end exponentT    

The correct answer is: 1.85 cross times 10 to the power of negative 18 end exponentT

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