Identical charges q each are kept at the distance r from each other. Third charge q is placed on the line joining the two charges such that all the three charges are in eqilibrium. What is the magnitude and sign of the charge q?
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If a third charge has to be placed in the line joining two identical charges
then third charge can be taken as positive or negative.
So both the signs are applicable.
Magnitude = any integer
Since there are two identical charges so the third charge must be kept at the center.
then third charge can be taken as positive or negative.
So both the signs are applicable.
Magnitude = any integer
Since there are two identical charges so the third charge must be kept at the center.
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