Question

Derivation of Joule,s law
And ohm s law

Answer 1

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✍✍✍that the ratio of the voltage applied to a circuit and the current that flowed through the circuit was equal to the resistance of the circuit. This relationship between voltage, current, and resistance came to be known asOhm's law and the unit of resistance was named Ohm in his honor.

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Answer 2

Hii mate,,,,, your answer is ¬¬¬

Joules law states that the heat produced in a conductor by a constant current is equal to the product of the square of the current and resistance of the conductor and the duration of time the current passes
That is, Q =  I2 × R ×t, where, Q is the heat produced in joules, I is the current through the conductor in amperes, R is the resistance of the conductor in ohms and t is the time in seconds.

Ohms law states that the current (I) flowing through a conductor is directly proportional to the potential difference (V) across the ends of the conductor,provided physical conditions of the conductors such as temperature,mechanical strain etc. Are kept constant i.e. IαV

Or VαI or V= RI

Or V/I=R=a constant

Where R is known as resistance of the conductor . It depends upon the length ,shape and the nature of the material of the conductor. The variation between potential difference (V) and current (I) through a conductor is a straight line.