Question : Identify the correct statement
Option 1: The resistance of a wire depends on the length and density of the wire.
Option 2: Specific resistance is the same for all conductors.
Option 3: The resistance of a wire depends on the length and cross-section of the wire.
Option 4: Specific resistance is dependent on the cross-sectional area of the wire.
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Correct Answer: The resistance of a wire depends on the length and cross-section of the wire.
Solution : The correct answer is The resistance of a wire depends on the length and cross - section of the wire.
The resistance of a conductor is determined by the following characteristics.
- the length of the conductor
- the cross-sectional area of the conductor
- the character or resistance of the substance.
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