Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Units (Electricity)
87 practice questions
Topics covered
Practice questions
41–43 of 43 · Easy
Question 41
4 marks · Easy
Answer and see the solution →The information panel on an electric toaster says: 'Power: 800 W, Voltage: 200 V'. The plug has a fuse fitted.
(a)[2 marks]Calculate the current drawn by the toaster when it is working.
(b)[2 marks]Suggest which fuse should be used in the plug if the available sizes are 3 A and 5 A. Explain your answer.
Question 42
4 marks · Easy
Answer and see the solution →The diagram shows a simple circuit with a lamp powered by a battery.
Circuit containing a battery (12 V), a lamp, and an ammeter in series. The ammeter reads 0.5 A. (a)[2 marks]Calculate the energy transferred by the lamp in 60 seconds.
(b)[2 marks]State the amount of electric charge that passes through the lamp in 60 seconds.
Question 43
4 marks · Easy
Answer and see the solution →A brand-new electric iron is labelled '230 V, 1200 W'. It has a metal case and is connected to the mains by a three-core cable.
(a)[2 marks]State the purpose of the earth wire in this appliance.
(b)[2 marks]If the iron is switched on for 3 minutes, calculate the total energy transferred to it.