Asked by arajeevshashank1st February 2018, 10:26 AM
Answered by Expert
Nichrome alloy(80% Nickel / 20% chromium) is ideal material for heater or iron box wire element because it has relatively high resistivity (1.5 × 10-6 ohm-m) and form an adherent layer of chromium oxide when it is heated for first time. This makes the nichrome wire a good corrosion resistant. Also melting point of nichrome is 1400°C
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