Answer:
Length of conductor.
Explanation:
The devices that resist the flow of electric current are called resistors. When an electric current of 1 ampere flows in a circuit that have potential difference of 1 volt, then 1 ohm of resistance exists in the circuit. Mathematical relationship can be written as :
[tex]V=IR[/tex] , R is resistance
[tex]R=\dfrac{V}{I}[/tex]
Also, the resistance of a conductor is directly proportional to the length and inversely proportional to the area of cross section of the wire.
[tex]R\propto \dfrac{l}{A}[/tex]
[tex]R=\rho \dfrac{l}{A}[/tex]
[tex]\rho[/tex] is the resistivity of the material
Hence, the resistance of a conductor is directly proportional to the length
