Skip to content

Course home

Sign up

Magnetic fields (A-level only)

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354
Question 33

To achieve magnetic levitation (where the magnetic force exactly balances the weight of the rod), what current must flow through the rod?

A

0.20 A0.20\text{ A}0.20 A

B

3.20 A3.20\text{ A}3.20 A

C

5.00 A5.00\text{ A}5.00 A

D

5.71 A5.71\text{ A}5.71 A

Markscheme

Magnetic fields (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Magnetic fields (A-level only)

66 exam-style questions on AQA A Level Physics Magnetic fields (A-level only), covering Magnetic flux density (A-level only), Moving charges in a magnetic field (A-level only), Magnetic flux and flux linkage (A-level only), Electromagnetic induction (A-level only), Alternating currents (A-level only), and The operation of a transformer (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank