Force on a moving charge
20.3What the syllabus asks of you
- determine the direction of the force on a charge moving in a magnetic field
- recall and use F = BQv sin θ
- understand the origin of the Hall voltage and derive and use the expression VH = BI / (ntq), where t = thickness
- understand the use of a Hall probe to measure magnetic flux density
- describe the motion of a charged particle moving in a uniform magnetic field perpendicular to the direction of motion of the particle
- explain how electric and magnetic fields can be used in velocity selection
Read the notes first
Chapter 20: Force on a moving charge
Drill this topic
All 42 questions on Force on a moving charge, untimed — answer on paper, then mark yourself against the mark scheme.
Make a worksheet
Choose the years and how many questions, then print it with the answers on separate pages.
42 questions
These are structured questions, answered in working rather than by picking an option, so they are not listed here one by one. The drill above puts each in front of you with its mark scheme to check against.