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Physics
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29 Dec 2020

Which, among the following is a unit for resistivity?

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Electricity and Magnetism
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Understanding Ohm's Law & Current electricity
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Ankit Lal
Ankit LalLv10
29 Dec 2020
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

A more general definition of the temperature coefficient of resistivity is

 

Where   is the resistivity at temperature T. 

a) Assuming   is constant, show that

 

Where   is the resistivity at temperature   .

b) Using the series expansion   for   , show that the resistivity is given approximately by the expression

  for  

 

A more general definition of the temperature coefficient of resistivity is:

   

where is the resistivity at temperature T

a. Assuming that is constant, show that

 

where is the resistivity at temperature  

b. Using the series expansion for , show that resistivity is given approximately by the expression

A more general definition of the temperature coefficient of resistivity is given below

α=1/ρ*dρ/dt

where ρ is the resistivity at temperature T.

a) Assuming that α is constant, show that ρ equals the following expression where Po is the resistivity at temperature To.

b)using the series expansion ex = 1 + x for x « 1, show that the resistivity is given approximately by the expression ρ=p0[1 + α(T-TO)] . 

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