Physics
Define the term specific resistance and state it's S.I. unit.
Current Electricity
85 Likes
Answer
Specific resistance of a material is the resistance of a wire of that material of unit length and unit area of cross section.
The S.I. unit of specific resistance is ohm × metre or (Ω m)
Answered By
54 Likes
Related Questions
How does the specific resistance of a semi-conductor change with the increase in temperature?
Two wires, one of copper and other of iron, are of the same length and same radius. Which will have more resistance? Give reason.
Name three factors on which resistance of a given wire depends and state how it is affected by the factors stated by you?
(a) Name two factors on which the specific resistance of a wire depends?
(b) Two wires A and B are made of copper. The wire A is long and thin while the wire B is short and thick. Which will have more specific resistance?