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प्रश्न
Name the material used for filament of an electric bulb.
एक पंक्ति में उत्तर
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उत्तर
A wire made of tungsten is used for filament of electric bulb because it has a high melting point and high resistivity.
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Choice of Material of a Wire
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 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 heating element of a room heater.
Why should a connection wire be thick?
