How does the electrical potential energy between two positively charged particles change if the distance is increased by a factor of 2?

a. it is reduced by a factor of 2
b. it is increased by a factor of 2
c. it is increased by a factor of 4
d. it is reduced by a factor of 4

A. it is reduced by a factor of 2

Explanation:

Electrical potential energy decreases as the distance between charged particles increases. Electric potential is the amount of potential energy per unit charge.Therefore; electrica potential energy is given by the formula;

V(r) = kq1q2/r

From the equation, the electrical potential energy is inversely proportional to the distance of separation between charged particles, therefore if the distance increases by a factor of 2, then the electrical potential energy is reduced by a factor of 2.

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