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JEE Main 2023 (15 Apr, Shift 1) · Electric Dipole

Electric Dipole question from JEE Main 2023 (15 Apr, Shift 1)

Q39JEE Main 2023 · 15 APR · SHIFT 1Easy

Electric Dipole

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:

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Answer: (d)

Equatorial field of a short dipole: $E = \frac{p}{4\pi\epsilon_0 r^3}$ .
So $E \propto \frac{1}{r^3}$ .
So the answer is (d) $\frac{1}{r^3}$ .

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