A proton moves at a constant velocity of along the -axis in uniform electric and…

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

Problem

A proton moves at a constant velocity of

50\,\text{m/s}

along the

x

-axis in uniform electric and magnetic fields. The magnetic field is

\mathbf{B}=(2.0\,\text{mT})\hat{\mathbf{j}}

. What is the electric field?