Physics
How does the resistance of a metallic wire depend on it's temperature? Explain with reason.
Related Questions
Figure below shows the I-V curves for two resistors. Identify the ohmic and non-ohmic resistors. Give a reason for your answer.
Two wires, one of copper and other of iron, are of the same length and same radius. Which will have more resistance? Give reason.
How does the resistance of a wire depend on it's length ? Give a reason for your answer.
Name three factors on which resistance of a given wire depends and state how it is affected by the factors stated by you?