A Particle with a Charge of 5

question 32

Multiple Choice

A particle with a charge of 5.5 *10^-8C charge is fixed at the origin. A particle with a charge of-2.3 *10^-8C charge is moved from x = 3.5 cm on the x axis to y = 3.5 cm on the y axis. The change in the potential energy of the two-charge system is:

• A) 3.2 * 10^-4 J
• B) -3.2 * 10^-4 J
• C) 9.3 * 10^-3 J
• D) -9.3 * 10^-3 J
• E) 0

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