Advertisements
Advertisements
Question
Two wires, one of copper and other of iron, are of the same length and same radius. Which will have more resistance? Give reason.
Give Reasons
Solution
Iron wire will have more resistance than copper wire of the same length and same radius because resistivity of iron is more than that of copper.
shaalaa.com
Choice of Material of a Wire
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
- Name the particles which are responsible for the flow of current in a metallic wire.
- Explain the flow of current in a metallic wire on the basis of movement of the particles named by you above in part (a).
- What is the cause of resistance offered by the metallic wire in the flow of current through it?
Name the material used for making the connection wires. Give a reason for your answer.
Name a material which is used for making the standard resistor. Give a reason for your answer.
Name the material used for making a fuse wire. Give a reason.
Name the material used for filament of an electric bulb.
Name the material used for heating element of a room heater.
Why should a connection wire be thick?
