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A-LevelPhysicsElectricity9702/12 · Oct/Nov 2016 · Q331 Mark

A wire carries a current of 2.0 A for 1.0 hour. How many electrons pass a point in the wire in this time?

A1.2 × 10⁻¹⁵
B7.2 × 10³
C1.3 × 10¹⁹
D4.5 × 10²²

✓ Correct answer

D: 4.5 × 10²²

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About this question

Topic
Electricity, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source
A-Level Physics, Oct/Nov 2016 Paper 1 Variant 2, question 33.

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