Three charges of each magnitude 
are placed at the corners A, B and C of an equilateral triangle of side 4 m. If the charges at points A and C are positive and the charge at point B is negative, then the magnitude of total force acting on the charge at C and angle made by it with AC are
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
F A is force on charge at C due to A and F B is force on charge at C due. to B.
As angle between F A and F B is 
.
Putting the given values in F net , we get
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