IB Physics HL B.5.4 Ohmic behaviour Question Bank
Practise IB Physics HL B.5.4 by analysing temperature-dependent resistance and non-ohmic current–voltage characteristics.
- Syllabus
- First assessment 2025
- Course
- Physics HL
- Level
- HL
Exam points
- Apply Ohm’s law to identify constant-resistance regions and explain why curved V–I graphs are non-ohmic.
- Interpret how resistance changes with current in filament and semiconductor components from graph evidence.
B.5.4—Ohmic behaviour question 1
The graph shows how current I varies with potential difference V across a component X .
Outline why component X is considered non-ohmic.
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