on what factor does the resistance of a conductor depends ?
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Actually, the resistance of a conductor is directly proportional to the length of the conductor. Area: The resistance of a conductor depends on the area of cross-section of the conductor. Actually, the resistance of a conductor is inversely proportional to the area of cross-section of the conductor.Temperature : The temperature is a vital factor in determining the resistance of conductor . More the temperature , more free electrons are generated and more the energy get to travel . Thus in case when temperature increases , resistance decreases .
Area of cross section and length : More the area of cross section , the resistance is less . That is area of section is inversely proportional to resistance . Similarly, length of directly proportional to the length of conductor . More the length , more the resistance .
Specific Conductivity: This property refers to how much will the substance will conduct .This property is fixed for a fixed material.
All the above conditions are a basic necessary conditions for the consistency of Ohms Law.
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