Question

the coil of an electric heater is made up of
1) tungsten
2) iron
3) copper
4) nichrome ​

Answer 1

Answer:

copper

Explanation:

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Answer 2

Answer:

nichrome since it is an alloy of high resistance and low chance to get oxidised and an electric heater's use is to generate heat, so it cannot be made up of copper which has low resistance..

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