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Heating Effect of Current

Give two reas...

Question

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

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Solution

In electrical appliances like electric Iron , electric heater , heating road the wire of nichrome is used because
1. It has high value of specific resistance

2. Its melting point is high .

3. It can easily drawn in wires

4. It is not oxidized easily when heated in air .

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