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A Dipole Moment Is Placed in a Uniform Electric Field

Question 86

Multiple Choice

A dipole moment is placed in a uniform electric field oriented along an unknown direction. The maximum torque applied to the dipole is equal to 0.1 N.m. When the dipole reaches equilibrium its potential energy is equal to -0.2 J. What was the initial angle between the direction of the dipole moment and the direction of the electric field?


A) 10°
B) 90°
C) 45°
D) 30°
E) 0

Correct Answer:

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