Charges q, q, and –q are placed on the x-axis at x = 0, x = 4 m, and x = 6 m, respectively. At which of the following points does the electric field have the greatest magnitude?
a. x = 3 m
b. x = 5 m
c. x = 8 m
d. The electric field has the same magnitude at all three positions.
e. x = 7 m
b
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