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Pearson Edexcel
Centre Number
Level 1/Level 2 GCSE (9-1)
Physics
Paper 2
Candidate Number
Friday 15 June 2018 ? Morning Time: 1 hour 45 minutes
Foundation Tier
Paper Reference
1PH0/2F
You must have: Calculator, ruler
Total Marks
Instructions
Use black ink or ball-point pen.
?? Fill in the boxes at the top of this page with your name, centre number and candidate number. Answer all questions.
?? Answer the questions in the spaces provided ? there may be more space than you need. Calculators may be used.
? Any diagrams may NOT be accurately drawn, unless otherwise indicated. ?? You must show all your working out with your answer clearly identified at
the end of your solution.
Information
The total mark for this paper is 100.
?? The marks for each question are shown in brackets ? ? use this as a guide as to how much time to spend on each question.
In questions marked with an asterisk (*), marks will be awarded for your ability to structure your answer logically showing how the points that you make are
? related or follow on from each other where appropriate. A list of equations is included at the end of this exam paper.
Advice
Read each question carefully before you start to answer it.
? Try to answer every question. ?? Check your answers if you have time at the end.
Turn over
P60467A
?2018 Pearson Education Ltd.
1/1/1/1/1/1/
*P60467A0132*
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Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box . If you change your mind about an answer, put a line through the box and then
mark your new answer with a cross .
1 (a) Complete the following sentences using one of the phrases from the box below.
efficiency is reduced the national grid a power station
heat loss is reduced a transformer
(i) Electrical power is generated at (1)
.....................................................................................................................................................................................................................................................................................
(ii) Electricity is transmitted over long distances by transmission lines that are part of (1)
.....................................................................................................................................................................................................................................................................................
(iii) Electricity is transmitted at high voltages so that (1)
.....................................................................................................................................................................................................................................................................................
(b) Which statement is true for transformers? (1)
A Transformers can only step-up voltages. B Transformers can only step-down voltages. C Transformers can work with direct current. D Transformers have primary and secondary coils.
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2
*P60467A0232*
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(c) In a small transformer
the primary voltage is 230 V the primary current is 0.020 A the secondary voltage is 5.0 V
Calculate the secondary current.
Use the equation
Is =
Vp ? Vs
Ip
(2)
secondary current = A ............................................... (Total for Question 1 = 6 marks)
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*P60467A0332*
3
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2 (a) Figure 1 shows a fixed mass of gas inside a cylinder with a movable piston. piston
cylinder
gas particle
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Figure 1 (i) Describe, in terms of gas particles, how the gas exerts a pressure on the cylinder.
(3)
..................................................................................................................................................................................................................................................................................... ..................................................................................................................................................................................................................................................................................... ..................................................................................................................................................................................................................................................................................... ..................................................................................................................................................................................................................................................................................... ..................................................................................................................................................................................................................................................................................... .....................................................................................................................................................................................................................................................................................
(ii) Figure 2 shows the same gas squashed into a smaller volume. piston
cylinder
gas particle
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Figure 2
State what happens to the pressure the gas exerts on the cylinder when the volume of gas is reduced, as in Figure 2. (1)
.....................................................................................................................................................................................................................................................................................
.....................................................................................................................................................................................................................................................................................
4
*P60467A0432*
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(iii) State what happens to the gas particles when the volume of the gas is reduced, as in Figure 2. (1)
.....................................................................................................................................................................................................................................................................................
.....................................................................................................................................................................................................................................................................................
(b) Figure 3 shows an oxygen cylinder.
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Figure 3
The volume of the gas in the cylinder is 2100cm3.
When the gas is released into the atmosphere the volume of the gas is 8600cm3.
The pressure of the atmosphere is 98kPa.
Calculate the pressure of the gas when it is in the cylinder.
Use the equation
P1
=
P2 ? V2 V1
(2)
pressure of the gas in the cylinder = ............................................... kPa (Total for Question 2 = 7 marks)
*P60467A0532*
5
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