A proton is projected into a uniform magnetic field with the same speed each time but…
PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
A proton is projected into a uniform magnetic field with the same speed each time but at different angles α to the field direction. Explain qualitatively how (i) the pitch and (ii) the radius of the resulting helical path change as α increases from 0∘ to 90∘.