which substance is used for making resistance coil of electric heater and why.
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Nichrome, a non-magnetic 80/20 alloy of nickel and chromium, is the most common resistance wire for heating purposes because it has a high resistivity and resistance to oxidation at high temperatures. When used as a heating element, resistance wire is usually wound into coils.
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The substance used for making resistance coil of electric heater is Nichrome, it is due to its high resistivity.
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