GCE Physics PH6 1326-01

WJEC 2014 Online Exam Review GCE Physics PH6 1326-01 All Candidates' performance across questions

Question Title 1 2

N 1518 1517

Mean 19.4 19.9

SD 3.7 3.2

Max Mark 25 25

FF 77.7 79.6

Attempt % 99.9 99.9

GCE Physics PH6 1326-01 2 Question

79.6

1

77.7

0

10

20

30

40

50

60

Facility Factor %

70

80

90

100

c (data) b (exp)

c (exp)

4 (c) The temperature coefficient of resistance, α , of copper can be found using the equation: Rθ  = α R0θ + R0

where: R0 = Resistance at 0 °C Rθ = Resistance at temperature θ °C θ = Temperature /°C α = Temperature coefficient of resistance Explain whether or not your graph is in agreement with the above equation.

© WJEC CBAC Ltd.

(1326-01D)

[3]

Examiner only

4 (b) Write a plan of how you will obtain sufficient readings to investigate this relationship. [4]

© WJEC CBAC Ltd.

(1326-01A)

Examiner only

4 Examiner only

(c) Using the apparatus, take sufficient measurements to obtain a value for n. Draw a table to show your results clearly. The value of d should be in centimetres. Include the resolution of the apparatus used. [5]

© WJEC CBAC Ltd.

(1326-01A)