The value of electric potential at any point due to any electric dipole is
The value of electric potential at any point due to any electric dipole is
- A
$k.\frac{{\mathop p\limits^ \to \times \mathop r\limits^ \to }}{{{r^2}}}$
- B
$k.\frac{{\mathop p\limits^ \to \times \mathop r\limits^ \to }}{{{r^3}}}$
- C
$k.\frac{{\mathop p\limits^ \to .\mathop r\limits^ \to }}{{{r^2}}}$
- D
$k.\frac{{\mathop p\limits^ \to .\mathop r\limits^ \to }}{{{r^3}}}$
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Electric field at a point varies as $r^o$ for
Electric field at a point varies as $r^o$ for