(a)[3]
Define tesla.
(b(i))[2]
Explain why the particle’s path in the field is an arc of a circle.
(b(ii))[1]
Show that the radius $r$ can be written as $r = \frac{mv}{Bq}$.
(c(i))[2]
Suggest, with a reason, why each of the paths is a spiral rather than an arc of a circle.
(c(ii).1)[2]
State and explain what can be deduced from the paths about the charges on the two particles.
(c(ii).2)[2]
State and explain what can be deduced from the paths about the initial speeds of the two particles.