A Point Charge of +3 $\mu$ C Is Located at the Origin of a Coordinate System

question 10

Multiple Choice

A point charge of +3.0 $\mu$ C is located at the origin of a coordinate system and a second point charge of -9.0 $\mu$ C is at x = 1.00 m. What is the electric potential at the x = 0.50 m point? (k_e = 8.99 *10⁹ N.m²/C²)

• A) "-5.4 * 10⁴ V"
• B) "11 * 10⁴ V"
• C) "16 * 10⁴ V"
• D) "-11 * 10⁴ V"

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