Question

Define One Ohm and its unit

Answer 1

Hello mate.

Thanks for asking this question.

$your \:answer \:is =>$

one ohm resistance is the opposition to the flow of 1 ampere current flowing through the circuit when 1 volt potential difference is applied across it.

so , we can formulate it as =>


$\boxed {1\:ohm = \frac {1\: volt}{1\:ampere}}$


ohm is the SI unit of resistance given in the honour of scientist and physicist Sir . George Simon Ohm .

1 ohm is the resistance in the circuit while , when we define it per unit length and unit cross section area , it becomes Resistivity of conductor.


$\underline {unit\:of \:resistivity =\:ohm.metre.}$


$\boxed {resistivity = resistance [\frac{ area \:of \:cross \:section}{length \:of \:conductor}]}$



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