Physics (AS & A Level) · Oct / Nov 2016 · Paper 12 · Question 33
9702Electric current
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
As printed in the paper
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Correct answer: D. 4.5 × 10²²
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