What are the reasons of using nichrome as a heating coil? What are the component elements of nichrome?
Nichrome is used as a heating coil because:
i. It has a high resistance and so a large amount of heat is produced on passing current through it.
(heat generated per second = current2× resistance)
ii. It has a high melting point and thus it can achieve a high temperature without getting destroyed (melting or getting burnt).
iii. It can remain in red hot condition for a long time without getting oxidised.
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