A proton enters a region where a uniform electric field of is perpendicular to a…

PHYSICS · Subjective · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

A proton enters a region where a uniform electric field of

3.0\times10^{4}\,\text{V m}^{-1}

is perpendicular to a uniform magnetic field of

0.20\,\text{T}

. Calculate the speed with which the proton must enter so that it passes straight through without any deviation.