Sat March 03, 2012 By: Vishnuraj

what happens to the direction of elecric field and force of attraction if the test charge is negative and positive with respect to a positive and negative source charge?

Expert Reply
Sat March 03, 2012
It is obviou and simple that for positive source charge , the force will be repulsive if test charge is positive and attractive if test charge is negative. One can think same for Negative source charge.
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