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Consider four conducting materials copper, tungsten, mercury and aluminum with resistivity ρC , ρT , ρM and ρA respectively.

Physics

Last Post by nikhil04 5 years ago

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16/09/2020 6:28 pm

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aditi07

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Consider four conducting materials copper, tungsten, mercury and aluminum with resistivity ρ_C , ρ_T , ρ_M and ρ_A respectively. Then :

(1) ρ_C > ρ_A > ρ_T

(2) ρ_A > ρ_T > ρ_C

(3) ρ_A > ρ_M > ρ_C

(4) ρ_M > ρ_A > ρ_C

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16/09/2020 6:30 pm

nikhil04

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Correct answer: (4) ρ_M > ρ_A > ρ_C

Explanation:

ρ_M= 98 x 10^-8

ρ_A= 2.65 x 10^-8

ρ_C= 1.724 x 10^-8

ρ_T= 5.65 x 10^-8

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Consider four conducting materials copper, tungsten, mercury and aluminum with resistivity ρC , ρT , ρM and ρA respectively.

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