Physics-
General
Easy

Question

A point source of electromagnetic radiation has an average power output of 800W, The maximum value of electric field at a distance 3.5 m from the source will be 62.6 V/m, the maximum value of magnetic field will be -

  1. 2.09 cross times 10 to the power of negative 5 end exponentT    
  2. 2.09 cross times 10 to the power of negative 6 end exponentT    
  3. 2.09 cross times 10 to the power of negative 7 end exponentT    
  4. 2.09 cross times 10 to the power of negative 8 end exponentT    

The correct answer is: 2.09 cross times 10 to the power of negative 7 end exponentT

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