A beam of particles is directed into a region containing a uniform magnetic field.
In which of the following situations does the beam of particles experience a magnetic force?
A beam of protons moving parallel to the magnetic field lines
A beam of neutrons moving perpendicularly to the magnetic field lines
A beam of positrons moving perpendicularly to the magnetic field lines
A beam of gamma-ray photons moving perpendicularly to the magnetic field lines
19 exam-style questions on CIE IGCSE Physics 4.5.4a Force on a current-carrying conductor. Each one has a worked solution and a mark scheme showing where the marks go.