B: iron
Oracle Prep sorts past-paper questions by topic, so you can drill Magnetism and see which topics are most likely to come up next.
Sign up free →Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content
A long flexible wire is wrapped round two wooden pegs. A large current is passed in the direction shown. Which two pa…
The diagram shows a d.c. motor. Why is a split-ring commutator used?
A magnet is pushed slowly into a coil and there is a current in the coil in the direction shown. The magnet is then p…
Chlorine exists as two isotopes. One has a nucleon number (mass number) of 35 and the other has a nucleon number (mas…
A manufacturer measures accurately the dimensions of a wooden floor tile. The approximate dimensions of the tile are …
Which pair of quantities includes one scalar and one vector?