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Which of the main property of a heating element?
1. Specific resistance of the element should be very high
2. Melting point of the material should be low
3. Specific resistance of the element should be very low
4. The material that comprises the heating element should be oxidised

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Correct Answer - Option 1 : Specific resistance of the element should be very high

The materials used for heating element should have the following properties

1. High specific resistance

2. High melting point

3. Low temperature coefficient of resistance

4. Free from oxidation

5. High mechanical strength

6. Non corrosive

7. Economical

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