Four charges are arranged at the corners of a square as shown in the figure. Q 1
ID: 1919074 • Letter: F
Question
Four charges are arranged at the corners of a square as shown in the figure. Q1is at (-L/2,L/2), Q2is at (L/2,L/2), point a is at the origin and Q1=Q2=-Q3=-Q4. Which of the following statements correctly describe the electric field E and the potential at points a,b and c? Select true or false for each statement.
The potential at b is greater(more positive) than the potential at a.
a, b, and c all lie on the same equipotential surface.
Explanation / Answer
The E field at c is zero.
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