Shown below are six situations where three point charges are placed in a row. Th

Question

Shown below are six situations where three point charges are placed in a row. The magnitudes and signs of the charges are given in the figures. 3 mC 3 mC +3 mC 3 mC3 mC +6 mC 3 mC +3 mC 3 mC 3 mC -6 mC 3 mC Rank the magnitude of the electric field that is exerting a force on the right-hand charge. Greatest 1 electric field is the same but not zero for all six situations. OR, the electric field is zero for all six situations OR, the ranking for the electric field cannot be determined Carefully explain your reasoning. 2 Least OR, the

Explanation / Answer

F > C > A > B = D = E

we know, like charges repel and unlike charges attract.

and force between two charges, F = k*q1*q2/d^2

so, F is proportional to q1 and q2 and inversly proportional to d.

A) Both charges exert repulsive force

B) left charge exert repulsive force and middle charge exert attractive force.

C) left charge exert repulsive force and middle charge exert more attractive force.

D) left charge exer attractive force and middle charge exert repulsive force.

E) left charge exert repulsive force and middle charge exert attractive force.

F) Both charges exert repulsive force. and middle charge exert more repulsive force.

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