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If r is the distance of a point from the centre of a short dipole , then the electric field intensity due to the short dipole remains propotional to -

Option: 1

r^{2}


Option: 2

r^{3}


Option: 3

r^{-2}


Option: 4

r^{-3}


Answers (1)

best_answer

For short dipole,
Eaxial =\frac{2kP}{r^{3}}
equatorial point, 
Eeep=\frac{kP}{r^{3}}
E\ \alpha \frac{1}{r^{3}}\ \alpha\ r^{-3}
 

Posted by

Deependra Verma

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