Physics-
General
Easy

Question

The electric field due to a dipole at a distance r on its axis is

  1. Directly proportional to r to the power of 3 end exponent  
  2. Inversely proportional to r to the power of 3 end exponent  
  3. Directly proportional to r to the power of 2 end exponent  
  4. Inversely proportional to r to the power of 2 end exponent  

The correct answer is: Inversely proportional to r to the power of 3 end exponent


    E equals fraction numerator 1 over denominator 4 pi epsilon subscript 0 end subscript end fraction. fraction numerator 2 p over denominator r to the power of 3 end exponent end fraction rightwards double arrow E proportional to fraction numerator 1 over denominator r to the power of 3 end exponent end fraction

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