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The material used in electric heater is 

(a) tungsten 

(b) nichrome 

(c) brass 

(d) steel

1 Answer

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(b) nichrome 

Most resistance wire heating elements usually use nichrome 80/20 (80% Nickel, 20% Chromium) wire, ribbon, or strip. Nichrome 80/20 is an ideal material, because it has relatively high resistance and forms an adherent layer of chromium oxide when it is heated for the first time.

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