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What is Resistance ?
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heya mate
the internal property of a material that resist the flow of current in a circuit is called resistance.
the internal property of a material that resist the flow of current and does not change in a the circuit made of same material is called resistivity.
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★The resistance of a conductor is the opposition which the conductor offers to the flow of change . When a potential difference is applied across a conductor, free electrons get accelerated and colloide with the positive ions and their motion is thus opposed. This opposition offered by the ions is called Resistance of the conductor.
★Resistance is the property of a conductor by virtue of which it opposes the flow of the current in it.
★Unit :- Ohm , Volt/Ampere
★Dimension :-
★
→ Lenght of the conductor
→ Area of cross-section of the conductor
→Nature of material of the conductor
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