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Electroplating

Can any other...

Question

Can any other wire other than nichrome wire be used in an electric heater?

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Solution

Yes, you can use any wire. But nichrome has few advantages over other. It has a relatively high resistance and do not get oxidised when heated. It heats ups faster and has longer life.

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Q. Why nichrome wire is used for making heatng coils in electrical heaters?

Q. Why copper wires cannot be used as heating elements in electric heaters?

Q. Give Scientific reasons.
a. Tungsten metal is used to make a solenoid type coil in an electric bulb.
b. In the electric equipment producing heat e.g. iron, electric heater, boiler, toaster etc, an alloy such as Nichrome is used, not pure metals.
c. For electric power transmission, copper or aluminium wire is used.
d. In practice the unit kWh is used for the measurement of electrical energy, rather than joule.

Q. The heating element of an heating appliance such as electric room heater is made of nichrome alloy while the connecting wire is insulated copper wire.Why ?

The coil of wire in an electric heater used for cooking is called __________.

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