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Physics · Electrostatic Potential

हिन्दी

An electric dipole is placed in space. If we move along a cone centered on the dipole axis keeping the angle \( \theta \) fixed, the electric potential at all points on the generated cone is:

  1. Zero / शून्य
  2. Directly proportional to \( r^2 \) / \( r^2 \) के समानुपाती
  3. Inversely proportional to \( r \) / \( r \) के व्युत्क्रमानुपाती
  4. Constant / नियत

Correct answer · Option 4

Constant / नियत

Explanation

The dipole potential depends only on \( r \) and \( \theta \). Since \( \theta \) and \( r \) are constant along the cone surface generated by rotating the position vector about the dipole axis, the potential remains constant.
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