A-LevelPhysicsD.C. circuits9702/12 · Feb/Mar 2016 · Q311 Mark

A fixed resistor of resistance 12 Ω is connected to a battery. There is a current of 0.20 A in the resistor. The current is now doubled. What is the new power dissipated in the resistor?

A0.48 W

B0.96 W

C1.92 W

D4.8 W

✓ Correct answer

C: 1.92 W

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2016 Paper 1 Variant 2, question 31.

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