Question
Question: *q*, 2*q*, 3*q* and 4*q* charges are placed at the four corners *A, B, C* and *D* of a square. The f...
q, 2q, 3q and 4q charges are placed at the four corners A, B, C and D of a square. The field at the centre O of the square has the direction along.

A
AB
B
CB
C
AC
D
BD
Answer
CB
Explanation
Solution
By making the direction of electric field due to all charges at centre. Net electric field has the direction along CB