Chapter 4: Q11E (page 842)
A
a power supply that maintains a constant potential difference of
its ends, while an ammeter measures the current through it. You observe that
at room temperature
reads
resistivity at and (b) the temperature coefficient of resistivity at for the material of the rod.
Short Answer
(a)The resistivity at
(b)The temperature coefficient of resistivity at for the material of the rod is