question_answer

An electron enters between two horizontal plates separated by 2 mm and having a potential difference of 1000 V. The force on electron is:

A)  \[\text{8 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-12}}}\text{N}\]                       

B)  \[\text{8 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-14}}}\text{N}\]       

C)         \[\text{8 }\!\!\times\!\!\text{ 1}{{\text{0}}^{9}}\text{N}\]         

D)         \[\text{8 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{14}}}\text{N}\]