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प्रश्न
Name the material used for heating element of a room heater.
एका वाक्यात उत्तर
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उत्तर
A nichrome wire is used as a heating element for a room heater because the resistivity of nichrome is high and increase in its value with increase in temperature is high.
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Choice of Material of a Wire
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Current Electricity - EXERCISE - 8(A) [पृष्ठ १८७]
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संबंधित प्रश्न
- 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?
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 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.
Why should a connection wire be thick?
