. A source charge q is fixed in position in space. A test charge qo is placed a

Question

. A source charge q is fixed in position in space. A test charge qo is placed a distance r from q. Assuming the test charge can potentially move from its original position, which of the following below applies to this scenario? (Further assume that the two charges are opposite in polarity.)

A. Upon release, the test charge will move towards q with constant velocity.
B. Upon release, the test charge will move away from q with increasing
acceleration.
C. Upon release, the test charge will move towards q with decreasing
acceleration.
D. Upon release, the test charge will move towards q with increasing acceleration.
E. Both charges should remain at rest due to their mutual forces canceling.

Explanation / Answer

D. Upon release, the test charge will move towards q with increasing acceleration.

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