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Consider the two cases shown below. In both cases a central charge q has two cha

ID: 1273355 • Letter: C

Question

Consider the two cases shown below. In both cases a central charge q has two charges of equal magnitude at equal distances above and below it. In Case 1 the signs of the two outer charges is opposite, and in Case 2 they are both positive. You are not told the sign of the charge in the center q.

question: In which Case is the magnitude of the net force on the center charge bigger?

a.Case 1
b.Case 2
c.They are the same
d.The answer depends on the sign of the charge in the center q

Please give a explanation.

Explanation / Answer

Case 1