Question

Should the heating element of an electric iron be made of iron, silver or nichrome wire ? justify giving three reasons​

Answer 1

It should be made of nichrome wire because

(I) the resistivity of nichrome is greater than that of iron and silver, so more heat is produced in the nichrome wire due to the flow of current.

(II) melting point of nichrome wire is greater than that of iron and silver and hence it does not melt easily on heating.

(III) nichrome wire does not oxidise (or burn) easily even at higher temperature.

Answer 2

Answer:

Nichrome wire should be used as the heating element in an electric iron. The reasons are .

Explanation:

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