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Question: What is the magnitude of the torque acting on an electric dipole with a dipole moment of 4 × 10⁻⁹ C·m when it is aligned at 30° with the direction of a uniform electric field of magnitude 5 × 10⁴ N/C? Options:

Options

  1. A2.0 × 10⁻⁴ N·m
  2. B1.0 × 10⁻⁴ N·m
  3. C2.0 × 10⁻⁵ N·m
  4. D1.0 × 10⁻⁵ N·m

Correct answer

B. 1.0 × 10⁻⁴ N·m

Step-by-step solution

Correct Option is : (B) 1.0 × 10⁻⁴ N·m

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