Question

Heya ! ❤️

What is Resistance ?

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Answer 1

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.

Answer 2

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

★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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