Potential due to point charge is expressed as:
The net potential at the origin is due to three charges:
Two point charges of +2.0 μC and -6.0 μC are located on the x-axis at x = -1.0 cm and x = +2.0 cm respectively. Where should a third charge of +3.0- μC be placed on the +x-axis so that the potential at the origin is equal to zero?
A) x = 3.0 cm B) x = 5.0cm C) x = 1.0cm D) x = 2.0 cm E) x = 4.0cm
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