Question : Which material is used in the manufacturing of electric heater coil?
Option 1: Copper
Option 2: Iron
Option 3: Nickel
Option 4: Nichrome
Correct Answer: Nichrome
Solution : The correct option is Nichrome.
The most common substance utilized to make heating coils is nichrome. It is a nickel and chromium alloy recognised for its electrical resistance and resistance to oxidation and deformation at high temperatures.
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