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1. |
An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of electric dipole moment is 10-29 C-m. What is the potential energy of the electric dipole? |
A. | -9 × 10-20 J |
B. | -10 × 10-29 J |
C. | -20 × 10-18 J |
D. | -7 × 10-27 J |
Answer» E. | |