Uses of electricity
4.4.1What the syllabus asks of you
- State common uses of electricity, including heating, lighting, battery charging and powering motors and electronic systems
- State the advantages of connecting lamps in parallel in a lighting circuit
- Recall and use the equation power = current × voltage P = IV
- Recall and use the equation energy = current × voltage × time E = IVt
- Define the kilowatt-hour (kW h) and calculate the cost of using electrical appliances where the energy unit is the kW h
Read the notes first
Chapter 4: Uses of electricity
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Every question on Uses of electricity, untimed, marked as you go.
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Choose the years and how many questions, then print it with the answers on separate pages.
22 questions
1May / June 2026 · Paper 12 · Q33Show mark scheme →
Apotential difference, current and time
Bpotential difference and current only
Cpotential difference, resistance and time
Dpotential difference and resistance only
Mark scheme
2May / June 2025 · Paper 12 · Q31Show mark scheme →
A6.0 J
B360 J
C540 J
D1440 J
Mark scheme
3May / June 2024 · Paper 11 · Q33Show mark scheme →
A12 J
B30 J
C40 J
D120 J
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4May / June 2024 · Paper 12 · Q30Show mark scheme →
Aa cell phone (mobile phone)
Ba fan
Ca hairdryer
Da lawnmower
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5May / June 2024 · Paper 12 · Q31Show mark scheme →
A0.30 kW h
B0.50 kW h
C30 kW h
D120 kW h
Mark scheme
6Oct / Nov 2023 · Paper 11 · Q27Show mark scheme →
A0.50 V
B2.0 V
C8.0 V
D50 V
Mark scheme
7May / June 2023 · Paper 11 · Q31Show mark scheme →
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only
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8May / June 2023 · Paper 12 · Q31Show mark scheme →
A6 cents
B36 cents
C60 cents
D360 cents
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9Oct / Nov 2022 · Paper 12 · Q33Show mark scheme →
Airon
Bkettle
Clamp
Dmotor
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10May / June 2022 · Paper 11 · Q12Show mark scheme →
A5000 J
B12 000 J
C72 000 J
D300 000 J
Mark scheme
11May / June 2022 · Paper 12 · Q35Also set in May / June 2022 Paper 11Show mark scheme →
Aenergy / J: 2400, power / W: 7.2
Benergy / J: 2400, power / W: 800 000
Cenergy / J: 5400, power / W: 16.2
Denergy / J: 5400, power / W: 1.8 × 10^6
Mark scheme
12Oct / Nov 2021 · Paper 11 · Q32Show mark scheme →
A0.030 kW h
B0.060 kW h
C0.12 kW h
D7.2 kW h
Mark scheme
13Oct / Nov 2021 · Paper 11 · Q33Show mark scheme →
A0.45 kW
B0.65 kW
C2.2 kW
D130 kW
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14May / June 2021 · Paper 12 · Q35Also set in May / June 2021 Paper 11, May / June 2016 Paper 12Show mark scheme →
A$0.36
B$0.84
C$2.52
D$25.20
Mark scheme
15Oct / Nov 2020 · Paper 11 · Q39Show mark scheme →
AE = I (ampere) × V (volt) × t (second)
BE = I (ampere) × V (volt) × t (hour)
CE = I (ampere) × V (volt) × t (second) ÷ 1000
DE = I (ampere) × V (volt) × t (hour) ÷ 1000
Mark scheme
16Oct / Nov 2020 · Paper 12 · Q33Show mark scheme →
A0.25 A
B1.0 A
C2.0 A
D8.0 A
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17May / June 2020 · Paper 12 · Q21Show mark scheme →
A21 MJ
B86 MJ
C95 MJ
D106 MJ
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18Oct / Nov 2019 · Paper 12 · Q35Show mark scheme →
Alow power: 1, medium power: 2, high power: 3
Blow power: 1, medium power: 3, high power: 2
Clow power: 3, medium power: 1, high power: 2
Dlow power: 3, medium power: 2, high power: 1
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19Oct / Nov 2018 · Paper 11 · Q31Show mark scheme →
A16 c
B17 c
C40 c
D48 c
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20Oct / Nov 2018 · Paper 12 · Q32Show mark scheme →
A0.012 A
B1.2 A
C12 A
D120 A
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21May / June 2018 · Paper 12 · Q35Show mark scheme →
AIt
BI^2R
CVIt
D\frac{V^2}{R}
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22Oct / Nov 2017 · Paper 12 · Q32Also set in Oct / Nov 2017 Paper 11Show mark scheme →
A1.6 cents
B4.0 cents
C6.4 cents
D8.0 cents
Mark scheme