Physics, asked by BrainlySenorita, 10 months ago

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What is Resistance ?

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Answers

Answered by ItsDynamoGirl
4

Answer:

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.

Answered by Anonymous
11

\huge\underline\green{\sf Resistance:-}

★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 :- \sf{M{L}^{2}{T}^{-3}{A}^{-2}}

\large\underline\red{\sf Resistance\:Depends\:On:-}

\large{\boxed{\sf R={\frac{\rho l}{A}}}}

→ Lenght of the conductor

→ Area of cross-section of the conductor

→Nature of material of the conductor

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