Q. An electron of charge $'e'$ coulomb passes through a potential difference of $V\ volts.$ Its energy in $'joules'$ will be

A) $V/e$
B) $eV$
C) $e/V$
D) $V$
Explanation

(b) $K = QV = e \times V = eV$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.