JEE Mains · Physics · STD 12 - 1. Electric charges and fields
The electric field due to a short electric dipole at a large distance (r) from center of dipole on the equatorial plane varies with distance as
- A \(1\)
- B \(\frac{1}{r}\)
- C \(\frac{1}{r^3}\)
- D \(\frac{1}{ r ^2}\)
Answer & Solution
Correct Answer
(C) \(\frac{1}{r^3}\)
Step-by-step Solution
Detailed explanation
Electric field due to a dipole at point on its axis \(E =\frac{2 kp }{ r ^3}\)
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