AQA · GCSE · Physics · Higher
Linear Current–Potential Difference Relationship
The relationship between current and potential difference for an LED is non-linear.
Which of the following always shows a linear relationship between current and potential difference?
Tick (✓) one box.
Write your answer first. You can study the marking guidance whenever you need it.
Study the marking See what earns credit and compare it with a full-mark answer.
Marking points
- 1 Selects resistor at constant temperature.