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GCSE
PHYSICS
Higher Tier Paper 1
H
Thursday 25 May 2023 Morning Time allowed: 1 hour 45 minutes
Materials
For Examiner’s Use
For this paper you must have:
a ruler Question Mark
a scientific calculator
1
the Physics Equations Sheet (enclosed).
2
Instructions 3
Use black ink or black ball-point pen. Pencil should only be used for drawing. 4
Fill in the boxes at the top of this page.
Answer all questions in the spaces provided. 5
Do not write outside the box around each page or on blank pages. 6
Do all rough work in this book. Cross through any work you do not want to 7
be marked.
8
If you need extra space for your answer(s), use the lined pages at the end of
this book. Write the question number against your answer(s). 9
In all calculations, show clearly how you work out your answer.
TOTAL
Information
The maximum mark for this paper is 100.
The marks for questions are shown in brackets.
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear presentation in
your answers.
JUN 23 84631H01
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Figure 1 shows how the National Grid connects a power station to consumers.
Figure 1
0 1 . 1 Complete the sentences.
[2 marks]
Transformer X causes the potential difference to .
Transformer X causes the current to .
Use the Physics Equations Sheet to answer questions 01.2 and 01.3.
0 1 . 2 Which equation links current (I), power (P) and resistance (R)?
[1 mark]
Tick () one box.
I
P=
R
I
P=
R2
P = I2 R
P = IR
*02*
, 3
Do not write
outside the
0 1 . 3 A transmission cable has a power loss of 1.60 × 109 W. box
The current in the cable is 2000 A.
Calculate the resistance of the cable.
[3 marks]
Resistance = Ω
Use the Physics Equations Sheet to answer questions 01.4 and 01.5.
0 1 . 4 Write down the equation which links efficiency, total energy input and
useful energy output.
[1 mark]
0 1 . 5 The total energy input to the National Grid from one power station is 34.2 GJ.
The National Grid has an efficiency of 0.992
Calculate the useful energy output from this power station to consumers in GJ.
[3 marks]
Useful energy output = GJ 10
Turn over ►
*03*
,
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