An electromagnetic crane is used in a scrap yard to lift and move large iron or steel objects. Which type of force is produced by the electric current flowing through the electromagnet to attract and hold these metal objects?
electrostatic
frictional
gravitational
magnetic
30 exam-style questions on CIE IGCSE Physics 4.5.3a Magnetic effect of a current and its applications. Each one has a worked solution and a mark scheme showing where the marks go.