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Physics · Electrostatic Potential

हिन्दी

The relation between electric field \( \mathbf{E} \) and electric potential \( V \) is given by:

  1. \( E = \frac{dV}{dr} \)
  2. \( E = -\frac{dV}{dr} \)
  3. \( E = -V \frac{dr}{dV} \)
  4. \( E = \int V \, dr \)

Correct answer · Option 2

\( E = -\frac{dV}{dr} \)

Explanation

The magnitude of electric field is given by the negative gradient of potential, \( E = -\frac{dV}{dr} \).
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