An Electron (Charge −1

Multiple Choice

An electron (charge −1.6 × 10−¹⁹ C) moves on a path perpendicular to the direction of a uniform electric field of strength 3.0 N/C.How much work is done on the electron as it moves 20 cm?

A) 1.6 × 10−²⁰ J
B) −4.8 × 10−²⁰ J
C) 4.8 × 10−²⁰ J
D) zero