Physics

Problem

Two identical point charges each of magnitude

q = 5.0\,\mu\text{C}

are fixed at two vertices

A

and

B

of an equilateral triangle of side

0.10\,\text{m}

. a. Find the electric potential at the third vertex

C

due to the charges at

A

and

B

. (Take potential at infinity as zero.) b. Hence calculate the work required to bring a third charge

q_3 = 5.0\,\mu\text{C}

from infinity to vertex

C

. State your answer with proper units.