A-LevelPhysicsElectricity9702/12 · May/June 2025 · Q331 Mark
The I-V characteristics for three electrical components are shown. [Three I-V graphs. Graph 1: linear through origin with positive slope. Graph 2: linear through origin with positive slope. Graph 3: curve through origin with increasing slope, resembling a filament lamp.] Which components obey Ohm's law?
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A1, 2 and 3
B1 and 2 only
C1 and 3 only
D1 only
✓ Correct answer
D: 1 only
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