Question

what is joules law of heating

Answer 1

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According to the JOULES LAW OF HEATING ,
the heat produced in a wire is directly proportional to [ as shown below ] :-



✴️Square of the current


$h \: \alpha \: {i}^{2}$



✴️ Resistance of the wire



$h \: \alpha \: r$



✴️Time for which the heat is supplied .



$h \: \alpha \: t$



Finally the formula :-


$h \: \alpha \: \: \: {i}^{2} \: \times \: r \: \times \: \times \: t \\ h = \: {i}^{2} rt$


This is known as the JOULES law of heating .





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Answer 2

ANSWER




JOULES LAW OF HEATING


Joule's Law of Heating.


The heat which is produced due to the flow of current within an electric wire, is expressed in unit of Joules. ... The heat generated due to the flow of current is proportional to the time of current flowing, when the electrical resistance and the amount of current is constant


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