Exam-style question
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Given an I-V graph for an ohmic conductor, how would you interpret the slope of the line, and what does it signify about the resistance of the conductor?.
Model answer
What a good answer should say
- The slope of the line in an I-V graph for an ohmic conductor represents the resistance of the conductor.
- A steeper slope indicates a higher resistance, while a shallower slope indicates a lower resistance.
Explanation
Why this works
This answer effectively connects the graphical representation of current and potential difference to the concept of resistance, demonstrating the student's understanding of the relationship between these quantities. It tests the application of knowledge regarding the interpretation of I-V characteristics.
Common mistake
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