Question

State three factors on which the resistance of a wire depends. explain how the resistance depends on the factors stated by you.​

Answer 1

Answer:

(i) The length of the wire, resistance is directly proportional to the length of the wire. (ii) The cross-section of the wire, resistance is inversely proportional to the cross-section of the wire. (iii) The temperature of the wire, the resistance of wire is directly proportional to the temperature of the wire.

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Answer 2

Answer:

(i) The length of the wire, resistance is directly proportional to the length of the wire.

(ii) The cross-section of the wire, resistance is inversely proportional to the cross-section of the wire.

(iii) The temperature of the wire, the resistance of wire is directly proportional to the temperature of the wire.