C: 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
The coil in an electric motor is wound onto a cylinder. Why is the cylinder made of soft iron?
The electromotive force (e.m.f.) induced in a conductor moving at right-angles to a magnetic field does not depend upon
The diagram shows part of an a.c. generator when its coil is in a horizontal position. The graph shows the voltage ou…
A hard stone hits the ground and comes to rest almost immediately. As the stone hits the ground, what is the directio…
A car of mass 1500 kg is towing a trailer of mass 1100 kg along a level road. The acceleration of the car is 1.30 m/s…
A beam pivoted at one end has a force of 5.0 N acting vertically upwards on it as shown. The beam is in equilibrium. …