Physics · Electrostatic Potential and Capacitance
An electric dipole with a dipole moment of 5 × 10-6 C·m is initially aligned parallel to the direction of a uniform electric field of magnitude 4 × 105 N/C. The dipole is then rotated through an angle of 60° with respect to the electric field. What is the change in the potential energy of the dipole?
- 11.5 J
- 21.2 J
- 31.0 J✓
- 40.8 J
Correct answer
1.0 J
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