Question

Derive or Proof H = i²rt means heating effect of current and through the diagram.​

Answer 1

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According to Joules law of heating, when a current I flows through a resistance R then :

Heat produced is

(I) Directly proportional to the square of current for a given resistance

(II) Directly proportional to the resistance of given circuit.

(III) Directly proportional to the time for which the resistance flows through the resistor.

So eqⁿ is $\huge{\bold{\red{H=I^2Rt}}}$

$\bold{\underline{\huge{\boxed{\pink{DERIVATION}}}}}$

let us consider a resistance R , in which I amount of current flows.

Work must be done by current to move continuously.

W=Qx V

BUT Q=IXt

W=IxVxt

but from ohms law: V=IR

W=I²Rt

assuming the electrical energy consumed is converted into heat energy .

we write work done as Heat  produced.

so

$\huge{\boxed{\bold{\red{H=I^2Rt}}}}$

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Answer 2

Answer:

Here ia your answer

Explanation:

According to Joules law of heating, when a current I flows through a resistance R then :

Heat produced is

(I) Directly proportional to the square of current for a given resistance

(II) Directly proportional to the resistance of given circuit.

(III) Directly proportional to the time for which the resistance flows through the resistor.

So eqⁿ is \huge{\bold{\red{H=I^2Rt}}}H=I

2

Rt