Question
Question: Four charges are arranged at the corners of a square ABCD as shown in the figure. The force on the c...
Four charges are arranged at the corners of a square ABCD as shown in the figure. The force on the charge kept at the centre O is–
A
Zero
B
Along the diagonal AC
C
Along the diagonal BD
D
Perpendicular to side AB
Answer
Along the diagonal BD
Explanation
Solution

Q F52 = F54
\ Net force on Q is
F0 = (F51 + F53)
Along the diagonal BD.