Question

state joules law on heating effect of current.

Answer 1

Here is your answer mate.... :-)
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When current I flow through a resistor of electric resistance R, heat is produced. The heat produced H depends directly on the square of the current, resistance and time t for which the current is allowed to pass. H=I2Rt, Is called Joule's law of heating.

Answer 2

$\mathtt{\huge{\fbox{AnsWer :) }}}$

Heat produced in a conductor is given by ,

$\mathtt{\large{\fbox {H = {(I)}^{2} \times R \times T }}}$

Joule's law or heating effect of current states that the heat produced in a conductor is

• Directly proportional to the square of current i.e

$\star \: \: \sf \fbox{H \propto {(I)}^{2} }$

• Directly proportional to the resistance of a conductor

$\star \: \: \sf \fbox{H \propto R }$

• Directly proportional to the time for which the current flows

$\star \: \: \sf \fbox{H \propto T }$