A proton ( ) moves at perpendicular to a uniform magnetic field of magnitude

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

A proton (

q = 1.6 \times 10^{-19}\,\text{C}

) moves at

3.0 \times 10^{6}\,\text{m s}^{-1}

perpendicular to a uniform magnetic field of magnitude

0.20\,\text{T}

. Calculate the magnitude of the magnetic force acting on the proton.