Poistive and negative point charges of equal magnitude are kept at `(0, 0, a/2)` and
Channel: Doubtnut
Date: 2020-07-05

Poistive and negative point charges of equal magnitude are kept at `(0, 0, a/2)` and `(0, 0, (-a)/(2))` respectively. The work done by the electric field when another poistive point charge is moved from `(-a, 0, 0)` to `(0, a, 0)` is