Question

Why nichrome used as heating element in electric iron electric ovens etc?

Answer 1

Answer:

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. Material beneath this layer will not oxidize, preventing the wire from breaking or burning out

Explanation:

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Answer 2

Answer:

$nichrome \: is \: used \: as \: a \:$

$heating \: element \: in \: electrical \:$

$devices \: because$

$1 \: nichrome \: has \: high \: resistivity \:$

$2 \: high \: melting \: point \:$