Four charges are arranged at the corners of a square 
, as shown in the adjoining figure. The force on the charge kept at the center O is
A
Zero
B
Along the diagonal 
C
Along the diagonal 
D
Perpendicular to side 
Text Solution
Verified by ExpertsThe correct answer is:
C
We put a unit positive charge at O. Resultant force due to the charge placed at A and C is zero and resultant charge due to B and D is towards D along the diagonal BD.
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