Question

Observe the following resistivity table and answer the followingMetal. resistivityA 10×10 -4mB. 9×10-8mC. 8.9×10 8mD. 6×10 -8mWhat is the change in Resistance having the area of cross section is same with different length ?Which is the best conductor these ?The length of the conductor 'A is3cm and its resistence is 3 and length of theconductor is 4. What is the ratio of an area of cross section of A and D?​

Answer 1

Answer:

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