Three equal charges, each +q, are placed on the corners of an equilateral triangle. The electric field intensity….

Q.Three equal charges, each +q, are placed on the corners of an equilateral triangle. The electric field intensity at the centroid of the triangle is

(a) kq/r²

(b) 3kq/r²

(c) √3 kq/r²

(d) zero

Ans: (d)