(a(i))[2]
On Fig. 10.1, draw two magnetic field lines above the centre line XY and two magnetic field lines below XY.
(a(ii))[1]
Show the direction of the magnetic field lines using an arrow. Draw one field line above XY and one field line below XY.
(a(iii))[1]
State the name of a piece of equipment that may be used to find the direction of the magnetic field.
(b)[2]
Describe how the student can use a bar magnet to test whether a metal rod is a magnet.