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Electrostatics — quick quiz

5 real NSEA questions on Electrostatics. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 2

MEDIUM

Two point charges +Q and -Q are placed at coordinates (0, a) and (0, -a) respectively. What is the electric field at a point (x, 0) on the x-axis, assuming x >> a?