Answers

  • Brainly User
2014-04-20T14:27:01+05:30
Becoz it is made up of alloys like tungsten but in the heater it is of metal which does not glow when heated but the alloys like tungsten does in the electric bulb and other things.
tungsten is an alloy made of mixing many metal.it is very durable and does not burns out easily.
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2014-04-20T15:40:54+05:30
Because the cord is made up of copper or other conductive metals

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