A charge q1, exerts some force on a second charge q2. Now, if a third charge q3 is brought near, then the force exerted by q1 on q2:

will increase if q3 is of the same sign as q1 and will decrease if q3 is of opposite charge to q1

A charge q1, exerts some force on a second charge q2. Now, if a third

1.	A charge q1, exerts some force on a second charge q2. Now, if a third charge q3 is brought near, then the force exerted by q1 on q2:
A.	will increase in magnitude
B.	will decrease in magnitude
C.	will remain unaffected
D.	will increase if q3 is of the same sign as q1 and will decrease if q3 is of opposite charge to q1
Answer» D. will increase if q3 is of the same sign as q1 and will decrease if q3 is of opposite charge to q1

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A charge q1, exerts some force on a second charge q2. Now, if a third charge q3 is brought near, then the force exerted by q1 on q2:

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