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

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Quizplus · Accepted Answer

Since the electric field is perpendicular to the motion of the electron, the electric force does no work on the electron. Therefore, the work done on the electron is zero.

An Electron (Charge −1