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1. |
What is the potential energy at the center of an equilateral triangle if +5esu, +5esu and -10esu are placed at the corners of the triangle? The triangle has a side length of 3cm. |
A. | 20V |
B. | 5V |
C. | ( frac {5}{3} )V |
D. | 0V |
Answer» E. | |