Paper 2 H - SAMPLE SET 1 Q4
4) Figure 10 shows a straight wire passing through a piece of card.
A current (I) is passing down through the wire.
A current (I) is passing down through the wire.
4.1) Describe how you could show that a magnetic field has been produced around the wire. [2 marks]
4.2) Figure 11 shows the ignition circuit used to switch the starter motor in a car on. The circuit includes an electromagnetic switch.
4.2) Figure 11 shows the ignition circuit used to switch the starter motor in a car on. The circuit includes an electromagnetic switch.
Explain how the ignition circuit works. [4 marks]
(Total for Question 4 = 6 marks)
(Total for Question 4 = 6 marks)