Find Tutor
IBIGCSEA-LevelLower SecondaryWhiteboard
Sign in
  1. Home
  2. A-Level
  3. Physics (Cambridge)
  4. Lessons
  5. Magnetic fields
Topic 20Physics (Cambridge)

Magnetic fields

Magnetic fields — Cambridge International A Level Physics (9702, Topic 20).

Practice questions
1

Magnetic Fields and Electromagnetic InductionSign up

understand and use the terms magnetic flux density B, flux phi and flux linkage N phi · be able to use the equation F = Bqv sin theta and apply Fleming's left-hand rule to charged particles moving in a magnetic field · be able to use the equation F = BIl sin theta and apply Fleming's left-hand rule to current carrying conductors in a magnetic field · understand the factors affecting the e.m.f. induced in a coil when there is relative motion between the coil and a permanent magnet · understand the factors affecting the e.m.f. induced in a coil when there is a change of current in another coil linked with this coil · understand how to use Faraday's law to determine the magnitude of an induced e.m.f. and be able to use the equation that combines Faraday's and Lenz's laws E = - d(N phi)/dt.

40 min

Previous topic

Capacitance

Next topic

Alternating currents