The reciprocal of resistivity is?
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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
At what temperature will aluminum have a resistivity that is two times the resistivity of iron at room temperature?