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#O C R J257/01 Breadth in biology (Foundation Tier) GCSE (9–1) Biology B (Twenty First Century Science) May 2023 $17.89   Add to cart

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#O C R J257/01 Breadth in biology (Foundation Tier) GCSE (9–1) Biology B (Twenty First Century Science) May 2023

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#O C R J257/01 Breadth in biology (Foundation Tier) GCSE (9–1) Biology B (Twenty First Century Science) May 2023

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  • January 31, 2024
  • 22
  • 2023/2024
  • Exam (elaborations)
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#O C R
H557/03 Practical skills in
physics
A Level Physics B (Advancing Physics)
June 2023


Time allowed: 1 hour 30 minutes
You must have:
the Data, Formulae and Relationships Booklet
You can use:
a scientific or graphical calculator
a ruler (cm/mm)




Please write clearly in black ink. Do not write in the barcodes.

Centre number Candidate number


First name(s)

Last name

INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.

INFORMATION
• The total mark for this paper is 60.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 20 pages.

ADVICE
• Read each question carefully before you start your answer.

,2023
Turn over

, 2
Section A

1 A cell can be made by inserting a zinc cathode and a copper anode into a lemon. A high
resistance voltmeter is used in the circuit shown in Fig. 1.1 to measure the p.d. across the lemon
when different resistors are placed across the cell.

Fig. 1.1



zinc copper
cathode anode




lemon




resistor

V

(a) Table 1 below shows the data recorded.

Table 1

resistance potential difference current
/ kΩ / mV / μA
3.3 540 164
6.6 666 101
10.0 738
13.3 765
16.6 784 47
20.0 812 41

(i) Calculate the current and complete the missing rows in Table 1.




[1]




2023

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