Wednesday
July 23, 2014

Homework Help: physics

Posted by isabelle on Wednesday, September 28, 2011 at 7:27pm.

Which statements are true for the resistivity of a metal conductor:

It depends on the temperature of the material.
It becomes smaller as the cross-sectional area of the material becomes smaller.
It is positive for copper but negative for carbon.
It has units of ohms/meter.
It depends on the electronic structure of the material.
It is an intrinsic property of the conductor and is independent of the voltage applied to it.

I know that the first is true and the 2nd and 4th are false but i cant figure out the rest...

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - If a wire has a resistance of 132ohms a length of 110cm and an area of...
Physics - A 100 m long wire with a cross-sectional area of 4 mm2 has a ...
Physics - A ruler is accurate when the temperature is 25C. When the temperature...
Physics - A ruler is accurate when the temperature is 25C. When the temperature...
Physics - A ruler is accurate when the temperature is 25C. When the temperature...
physics II - A certain material is in a room at 27C. If the absolute ...
Physics - A wire of cross-sectional area 5.00x10^-6 m^2 has a resistance of 1.75...
physics - A student wishes to measure the resistivity of glass. A teacher ...
Physics - Where do I find the answer of: What affects the length of a bridge, ie...
physics - a metallic ring of radius 'r' and cross sectional area is fitted into ...

Search
Members