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Physics · Electrostatic Potential

हिन्दी

The electric potential at a distance \( r \) from a point charge \( q \) is proportional to:

  1. \( r \)
  2. \( \frac{1}{r^3} \)
  3. \( \frac{1}{r^2} \)
  4. \( \frac{1}{r} \)

Correct answer · Option 4

\( \frac{1}{r} \)

Explanation

Potential due to a point charge is \( V = \frac{1}{4\pi\varepsilon_0}\frac{q}{r} \), which is inversely proportional to \( r \).
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