Two particles A and B (B is right of A) having charges 8×10-6C and 2×10-6C, respectively, are held fixed with …..

Q.Two particles A and B (B is right of A) having charges 8×10^-6C and -2 × 10^-6C respectively, are held fixed with separation of 20cm. Where should a third charged particle be placed so that it does not experience a net electric force

(a) 5 cm right of B

(b) 5 cm left of A

(c) 20 cm left of A

(d) 20 cm right of B

Ans: (d)