state joule law of heating list tow special charactersistics of a heating element wire
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Joules Law of heating:-
According to joules law of heating.
The heat produced in a conductor is directly proportional to the :-
- Square of the current flowing through conductor.
- Resistance of the conductor.
- Time for which the current flows through it.
The equation for joules law of heating is given by :-
★
Characteristics of heating element wire :-
- They have very high resistivity.
- Their melting and boiling point is high.
- They don't oxidize readily at high temperatures.
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