Question paper
Chapter 5 Practice Paper
30 marks · 40 min · 6 pages
10 multiple-choice questions and structured questions with answer lines. Chapter 5.
Chapter 5G2 / G3
Sec 2 Science Electrical Systems topical questions
15 exam-style questions (35 marks) in three tiers. Try each one on paper first, then check the model answer and mark scheme.
Chapter 5 notes15 questions · 35 marks
Showing 15 of 15 questions
Foundation
Recall and simple application
- Q1Foundation[3 marks]
State the units of current, potential difference and resistance.
- Q2Foundation[2 marks]
State why a lamp does not light when the switch is open.
- Q3Foundation[2 marks]
Name two effects of an electric current.
- Q4Foundation[1 mark]
State the unit of power.
- Q5Foundation[1 mark]
State one job of a fuse.
Standard
Structured, exam-style
- Q6Standard[2 marks]
Two lamps are in series. One lamp is removed, leaving a gap. Explain what happens to the other lamp.
- Q7Standard[3 marks]
The same two lamps are rewired in parallel. Explain what happens to lamp 2 if lamp 1 is removed.
- Q8Standard[2 marks]
Give one use of the heating effect and one use of the magnetic effect.
- Q9Standard[2 marks]
Explain why an overloaded extension socket is dangerous.
- Q10Standard[2 marks]
Suggest two ways a household can use less electrical energy.
Challenging
Data, evaluation and explanation
- Q11Challenging[3 marks]
A student replaces a blown fuse with a thick piece of wire so that it will not blow again. Explain why this is unsafe.
- Q12Challenging[4 marks]
Compare where an ammeter and a voltmeter are connected, and state what each measures.
- Q13Challenging[3 marks]
Explain why kitchen lights are wired in parallel rather than in series.
- Q14Challenging[2 marks]
A 2000 W heater and a 20 W lamp are both switched on for the same time. Which transfers more energy, and why? Do not use a voltage formula.
- Q15Challenging[3 marks]
Describe one chemical effect of a current and one reason wet hands near a socket are dangerous.
Next step
Sit the practice paper
A 30-mark paper set out like a school paper, with a separate mark scheme. Give yourself 40 min.
Mark scheme
PROChapter 5 Practice Paper — mark scheme
Answers · Marking points · 3 pages
Model answers with a mark for each creditworthy point — for marking at home or in class.