Question

How does the resistance of a conductor depend on :; (a) length of the conductor?; (b) area of cross-section of the conductor?; (c) temperature of the conductor?

Answer 1

Answer:

resistance is directly proportional to the length of the wire and inversely proportional to the area of cross section of the wire.

if the temperature increases, the resistivity increases.

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Answer 2

Answer:

(a) Resistance of a conductor is directly proportional to the length of the conductor.

(b)Resistance of a conductor is inversely proportional to the area of cross section.

(c) If the temperature increases the resistance increases.

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