CBSE · Class 12 · Physics · Current ElectricitySpecific resistance (resistivity) of a wire depends upon:
Step-by-Step Solution
Resistivity is an intrinsic property of the material and depends only on the nature of the material and temperature, not on its length or cross-sectional area.
Detailed Options Breakdown
Option : Length of the wire
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Current Electricity.
Option 1: Cross-sectional area
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Current Electricity.
Option 2: Material of the wire (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Both length and area
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Current Electricity.
💡 Study Guide: This question tests core syllabus concepts from Current Electricity. For formulas, key summaries, and mock exam reference guides, read the full Current Electricity Revision Notes.