Two point charges 
and 
are placed at A and B, 20 cm apart as shown in the figure. Calculate the electric field at 
apart from both A and B.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
The electric field at C due to charge 
at 
is
The electric field at C due to charge 
at B is
As, 
By symmetry, the vertical components will cancel out and horizontal components will add.
The resultant electric field at C is
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