What is the potential energy at the center of an equilateral triangle if +5esu, +5esu and -10esu are placed at the corners of the triangle? The triangle has a side length of √3cm.
(a) 20V
(b) 5V
(c) \(\frac {5}{3}\)V
(d) 0V
I have been asked this question in an international level competition.
Enquiry is from Potential Energy of a System of Charges in portion Electrostatic Potential and Capacitance of Physics – Class 12