AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
The resistance of a uniform metallic conductor depends on: (i) its length — directly proportional, (ii) its area of cross-section — inversely proportional, and (iii) the nature (material) of the conductor.
Source: Chapter 11, Section 11.5
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The examiner expects all three factors to be named clearly. Just listing them is enough for 1 mark — no need for formulas or elaboration. Writing the proportionality relationships (directly/inversely) shows precision and is good practice even in a 1-mark answer.