Electric Field at Center of Triangle · CAP 2016 #Q8
Physics · electromagnetism
Problem
Consider three charges located at the three vertices of an equilateral triangle of edge length L. Two of the charges have a value of +Q and the third one has a value of -2Q. What is the magnitude of the net electric field at the centre of the triangle?
a) 0
b) 4√3kQ/L²
c) 12kQ/L²
d) 9kQ/L²
e) 8kQ/L²