Resistance??

1.	Resistance??
Answer» Resistance is the opposition that a substance offers to the flow of electric current. It is represented by the letter R. Its unit is ohm. do you want the defination of resistance?? Resistance is a property of conductor due to which it resists the flow of electric current through it. ... Variable Resistance: The component of an electric circuit which is used to regulate the current; without changing the voltage from the source; is called variable resistance. Obstruction for a current to flow is called resistance.

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