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A charge q1 exerts some force on a secon...

A charge `q_1` exerts some force on a second charge `q_2`. If third charge `q_3` is brought near charge `q_1`, the force of `q_1` exerted on `q_2`

A

decreases

B

increases

C

remains unchanged

D

increases if `q_3` is of the same sign as `q_1` and decreases if `q_3` is of opposite sign.

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