Factors affecting resistance of matter 1 Temperature 2 Nature of substance...

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Factors affecting resistance of matter:
1. Temperature
2. Nature of substance
3. Conductor length
4. Area of transverse passage

A. 1, 2, 3 and 4

B. only 1, 3, 4

C. only 1, 2, 3

D. only 1 and 3

Answer: Option A

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