Equal charges, q are placed at the vertices of A and B of an equilateral triangle ABC of side a. The magnitude of electric intensity at point C is
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Answer:
E=
a
2
Kq
Field at C due to charge at A and B are inclined at 60
o
to each other.
E
net
=
E
2
+E
2
+2E.Ecos60
0
⟹E
net
=
3
E
⟹E
net
=
a
2
3
Kq
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