Physics
Name three factors on which resistance of a given wire depends and state how it is affected by the factors stated by you?
Related Questions
How does the resistance of a metallic wire depend on it's temperature? Explain with reason.
Two wires, one of copper and other of iron, are of the same length and same radius. Which will have more resistance? Give reason.
Define the term specific resistance and state it's S.I. unit.
(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?