Science, asked by aaaaaaa18, 1 month ago

A resistance wire is stretched to double its length so that its area of cross section is halved.how will its resistance change will any change be observe in its resistivity?justify your answer


please answer in notebook and I will mark you brainliest


don't write waste answer​

Answers

Answered by princeameta2882007
2

Explanation:

(a) Here, length is doubled and area of cross-section is halved. ... (b) Resistivity of a substance does not depend on its length or area of cross-section. It depends on the nature of the material and temperature. Hence there is no change.

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