A-LevelPhysicsPhysical quantities and units9702/12 · May/June 2020 · Q41 Mark

Readings are made of the current I for different voltages V across a fixed resistor. The results are plotted on a graph to show the variation of I with V. [Figure 4.1] What is the best description of the errors in the readings?

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Aboth systematic and random

Bneither systematic nor random

Crandom only

Dsystematic only

✓ Correct answer

D: systematic only

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Topic: Physical quantities and units, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2020 Paper 1 Variant 2, question 4.

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