Question

Icipal
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7. The resistivity of two conductors 'A' and 'B'are 1.62 x 10-8 m and 5.20 x 10-8 m
respectively. Which of them is used in:
(i) Transportation of electricity
(ii) The making of heating coils? Why?
conto the foll​

Answer 1

1. conductor (A)

     2. conductor )B) because it resistiivity is more than conductor A so it will resist more electricity