Four point charges are fixed at the corners of a square of side

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

0.20\,\text{m}

. Charges of

+5.0\,\mu\text{C}

are located at three consecutive corners, and a charge of

-5.0\,\mu\text{C}

is located at the fourth corner. Determine the total electric potential energy of the system. (a)

+6.1\,\text{J}

(b)

-1.6\,\text{J}

(c)

0\,\text{J}

(d)

+3.0\,\text{J}