Exam-style question
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What does the I-V graph of an ohmic conductor look like, and what does this indicate about the relationship between current and potential difference?.
Model answer
What a good answer should say
- The I-V graph of an ohmic conductor is a straight line passing through the origin.
- This indicates that the current is directly proportional to the potential difference, demonstrating Ohm's law.
Explanation
Why this works
This answer is strong because it accurately describes the linear relationship depicted in the I-V graph of an ohmic conductor, which is a key concept in understanding electrical circuits. It tests the student's ability to recall and apply knowledge of Ohm's law.
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