Question

The resistivity of two conductors 'A' and 'B' are 1.62 × 10 to the power of -8 (10-8) ohm and 5.20 × 10 to the power of -8 (10 - 8) ohm respectively. Which of them is used in :

(i) Transportation of electricity
(ii) The making of heating coils? Why? ​

Answer 1

Answer:

(i) B

(ii) A

Explanation:

less the resistivity more will be the conductivity that's why can be used in the transportation of electricity.

more is the resistivity more resistant it will offer to the current used for making heating coils.

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