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प्रश्न
Why does not the heating coil produce any visible light? in an electric stove.
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उत्तर
It is because, the temperature of heating element is around 1000°C, whereas visible light is produced if the temperature rises above 1500°C.
संबंधित प्रश्न
Name two safety devices which are connected to the live wire of a household electric circuit
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(iv) Name one device which works on this principle.
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(i) What is the ratio between the resistances of these two devices?
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(iii) In which of the above two devices, a thicker connecting wire of lead is required?
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