Why does the cord of an electric oven not glow while the heating element does?
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Answer:
It has high resistivity , so it does not melt. The cord of the electric heater is a good conductor of electricity so it does not get heated up and also does not glow. The heating element of an electric heater is a resistor. ... As current flows through the heating element,it becomes too hot and glows red.
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Explanation:
Cord of an electric oven doesn't glows because it is made of low resistance wires and as heat produced is directly proportional to resistance, the heat produced in these low resistance cords are not large enough for the cords to glow.
Whereas heating element of an electric oven is made of high resistance metals which produced large amount of heat when current fliw through it making it possible to glow...
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