define the electric resistance of a conductor
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Explanation:
The movement of electrons gives rise to the flow of current through metals. The moving electrons collide with each other as well as with the positive ions present in the metallic conductor.
These collisions takes place to show down the speed of electrons and to oppose the flow of electric current.
Resistance of a conductor :-
The Property of a conductor by which it opposes the flow of electric current through it is called its resistance.
- Resistance is denoted by the letter R.
- The SI unit resistance is ohm. the ohm is denoted by the Greek letter (Ω) called Omega.
- Resistance is a scalar quantity.
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