In the absence of an electric field, the mean velocity of free electrons in a conductor at absolute temperature (T) is______________
A. zero
B. independent of T
C. proportional to T
D. proportional to T2
Answer:A
In the absence of an electric field, the mean velocity of free electrons in a conductor at absolute temperature (T) is______________
A. zero B. independent of T C. proportional to T D. proportional to T2