Magnetism And Electromagnetism

Question 1

Explain why it was important that the paper clips were all the same size

Answer 1

So the paper clips have the same weight which allows the results for different numbers of turns to be compared fairly

Question 2

Describe how to plot the magnetic field pattern of a bar magnet

Answer 2

Place a compass near the pole of the magnet and mark direction the compass points
Move compass around the bar magnet marking at intervals the directionn the compass points
Join up the points and add arrow from north to south