An electron enters between two horizontal plates separated …

Physics Electrostatics Potential & Capacitance Electric Field and Potential,Defference,Energy and Dipole Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: September 12, 2026

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

$8 \times 10^{-12}$ N

$8 \times 10^{-14}$ N

$8 \times 10^{9}$ N

$8 \times 10^{14}$ N

Text Solution

Verified by Experts

The correct answer is:

Force on electron F = QE $= Q \left(\frac{V}{d}\right)$

⇒ ⇒ $F = (1.6 \times 10^{-19}) \left(\frac{1000}{2 \times 10^{-3}}\right) = 8 \times 10^{-14} \, N$

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