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

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Solution

It should be made of nichrome wire becausei resistivity of nichrome is high.Its high resistivity causes nichrome to heat up faster, when an electrical current is passed electricity moves through the wires, giving heat to the element.

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Give two reasons why nichrome alloy is used for making the heating elements of electrical applicances.

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