An electron beam is moving between two parallel plates having ele… - Vidyadip

MCQ

An electron beam is moving between two parallel plates having electric field $1.125 \times 10^{-6} \mathrm{~N} / \mathrm{m}$. A magnetic field $3 \times 10^{-10} \mathrm{~T}$ is also applied so that beam of electrons do not deflect. The velocity of the electron is

A
4225 m/s
✓
3750 m/s
C
2750 m/s
D
3200 m/s

✓

Answer

Correct option: B.

3750 m/s

(b) 3750 m/s

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