A-LevelPhysicsD.C. circuits9702/12 · Oct/Nov 2025 · Q321 Mark

The current in a resistor of constant resistance is 8.0 mA. The power dissipated by the resistor is P. The current in the resistor is increased to 12.0 mA. What is the new power dissipated by the resistor?

A0.44P

B0.67P

C1.5P

D2.3P

✓ Correct answer

D: 2.3P

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2025 Paper 1 Variant 2, question 32.

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