MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
The graph plotted for potential difference (V) against current (I) for ohmic resistors is : (a) A curve passing through the origin. (b) A straight line not passing through origin. (c) A straight line passing through the origin. (d) A circle centred at the origin.
Topic: Current, resistance and circuits
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(c) A straight line passing through the origin.
Explanation
For an ohmic resistor V ∝ I.
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