Question

if conductors of different materials are used in the experiment conduced to prove that resistance depend on length of conductor guess and write​

Answer 1

Answer:

• When the conductor is made thinner [ area decreases] , resistance increases. This is because Resistance is inversely proportional to area of cross section.
• Resistance depends on following factors: 1) Length: It is directly proportional to resistance of the conductor. 2) Area: It is inversely proportional to resistance to the cross sectional area of the conductor. 3) Temperature: It is directly proportional to resistance.
• Resistivity is the resistance per unit length and cross-sectional area. It is the property of the material that opposes the flow of charge or the flow of electric current. ... ρ = R A / L, where R is the resistance in ohms, A is the area of cross-section in square meters and L is the length in meters.

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