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A-LevelPhysicsD.C. circuits9702/12 · Oct/Nov 2012 · Q361 Mark

A 100 Ω resistor conducts a current with changing direction and magnitude, as shown. [Figure showing current-time graph] What is the mean power dissipated in the resistor?

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A100 W
B150 W
C250 W
D400 W

✓ Correct answer

C: 250 W

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About this question

Topic
D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source
A-Level Physics, Oct/Nov 2012 Paper 1 Variant 2, question 36.

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