Question

The area of cross section of a wire becomes half when its length is stretched to double. How

the resistance of the wire is affected in the new condition?
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Answer 1

Answer:

RESISTANCE OF A UNIFORM METALLIC CONDUCTOR IS :

• Directly proportional to the length of conductor.
• Inversely proportional to the area of cross section.
• Directly proportional to the temperature.
• Depends on nature of material.

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