A point charge Q is placed at the point  O as shown  in Fig. Is the potential difference  `(V)_(A) -
Channel: Doubtnut
Date: 16/08/2020

A point charge Q is placed at the point  O as shown  in Fig. Is the potential difference  `(V)_(A) - V_(B))` positive, negative or zero if Q is (i) possible (ii) negative ?