Physics · Current Electricity
Identify the correct statement regarding electrical resistance and resistivity.
- 1Specific resistance depends on the dimensions of the wire.
- 2Resistance of a wire depends on the length and cross-sectional area of the wire.✓
- 3Specific resistance is the same for all conductors.
- 4Resistance of a wire depends only on the length and density of the wire.
Correct answer
Resistance of a wire depends on the length and cross-sectional area of the wire.
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