Question

What is ohm's law ? How can it be verified?

Answer 1

Objective:

To verify the Ohm's law.

Statement of Ohm's Law:

Ohm’s law states that at a constant temperature, current 'I' through a conductor between two points is directly proportional to the potential difference or voltage 'V', across the two points. That is,

V propto I

or frac{V}{I} = constant = R

or V = IR

Thus, the ratio V : I is a constant. This constant is called as the resistance (R) of the conductor.

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Answer 2

ohms law gives us the relation between the current flowing the conductor and potential difference apllied across its end...
v is directly propotional to i
so,v=ri
where r is constant of propotionality.
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