Question

The resistivities of some substances are given below:
A. 1.6*10^-8
B. 64*10^-8
C. 10*10^-8
D. 96*10^-8
E. 100*10^-6
Answer the following questions in relation to them giving justification for each:
(1) Which material is best for making connecting cords?
() Which material do you suggest to be used in heater elements ?
(ii) You have two wires of same length and same thickness. One is made of material A and another of
material D. If the resistance of wire made of Ais 2 ?, what is the resistance of the other wire?

Please answer fast!!!! ​

Answer 1

Answer: and I will do that come in the

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