Q.
Two electric charges of +10-9C and -10-9C are placed at the corners A and B of an equilateral triangle ABC side 5cm.The electric intensity at C is
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a
1800N/C
b
3600 N/C
c
900N/C
d
2700 N/C
answer is B.
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Detailed Solution
E=14πε0Qa2
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