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  • On what factors does the resistance of a conductor depend ?

1.Length of conductor

2.Area of cross section

3.Temperature

4.Resistivity

5.Nature of material

Thanks

  • 70
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resistance is directly related to length of the wire inversely related to area of cross section of the wire.
now
R = rho (L)/A
where rho is constant of proportionality and is called as resistivity

  • 28

Resistance of a conductor depends on :-

i - Its length

ii - Its thickness i.e. area of cross section 

iii - Temprature

iv - Nature of material 

resistance is directly proportional to length & inversly proportional to thickness.

  • 9
R = rho (L/A)Meaning 1. if X-area of material is kept constant R = contant * LR is therefore proportional to length of material. Increasing length of material will increase resistance. 2. if length of material is kept constant, R = constant/ A, i.e R is inversely proportional to cross sectional area of material. This means that the larger the X area, the lesser the resistance of the wire. Also, an increase in current causes temperature to increase and so causes resistance to increase (for non ohmic conductors like the filament lamp).

depends on nature of material

thumps up plzz!!

  • 7

on the following factors, the resistance of a conductor depends-

area of cross-section

length of the conductor

material of the conductor

temperature around the conductor

  • 13
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