Multiple Choice
When a single charge q is placed at one corner of a square,the electric field at the center of the square is F/q.If two other equal charges are placed at the adjacent corners of the square,the electric field at the center of the square due to these three equal charges is
A) F/q.
B) 4F/q.
C) F/(2q) .
D) F/(4q) .
E) None of the above choices are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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