can any1 give me 3 factors on which resistivity depends on? i desperately need to know...?

Answer 1

Resistivity may also depend on the temperature and in some materials the resisitivity changes with the voltage.
So, take this four: material, dimensions, temperature and voltage.
If you know one of them, for example material (let's say carbon) then the resistivity will depend on the other three factors (dimensions, temperature and voltage)

Answer 2

They are equally important - both injunctions are from the Bible - no politics, no blood. In an accident, I would still not take blood - too many safe alternatives out there. My brother is a doctor - and he told me that if a doctor tells you that you need a blood transfusion - go look for another doctor. Once I had to do this in an emergency room. I had to call an ambulance to come pick up my husband and take him to another hospital because they were planning on giving him blood. Even after he said no. Music? Well, my Mom was a country and western recording artist while I was growing up. And my Dad was a bass fiddle player for the band. So there were many practice sessions in our home to expose me to that type of music. My Dad also played the zither. And that developed my love of folk and bluegrass. My Mom also played the accordion, so throw a little Polka in there also. When I was younger, I sang in a choral group that performed Broadway hit tunes, which I loved. But I'm still a Peter, Paul, and Mary type of person. As for the J? I speak English, and English uses the J for the Hebrew Y. I don't have a problem with that. When I read in a few other languages, I would pronounce it as that language does. Some sound like capital I, and others like capital E.

Answer 3

Material , as Carbon the least resistant
Size , in diameter of the conductor
length, the longer it has to flow the grater the loss .

Answer 4

Going back even further:
Type of material (all material has resistance to current flow)
Density of material (this can be either caused by purity or temperature)
Amount of material between potential difference in charges (voltage)

Answer 5

If resistance be R,Length of resistance be L,cross-sectional area be A and Resistivity be P,then,
R=PX(L/A)
So,Resistivity depends upon the resistance,length of resistance and also its cross-sectional area.

Answer 6

resistivity is constant for a material.
it depends on type of the material &temparature
third factor....? i dont know.

Answer 7

1. Temperture
2. Metal
3. Electrical Current
this would be my guess

Answer 8

temperature
material
Hall effect constant (in magnetic fields)
applied voltage (non-linear effects)