Q. An electron is taken from point A to point B along the path AB in a uniform electric field of intensity E = 10 Vm-1. Side AB = 5m, and side BC = 3m. Then, the amount of work done on the electron by us is
(a) 50 eV
(b) 40 eV
(c) 50 eV
(d) 40 eV
Ans: (b)