railway RPF Constable Mock Test Series 2024 Physics Current, Resistance and Electricity Resistance and Resistivity
The length and the cross-sectional area of a conductor in the shape of a cylinder are 'l' and 'A' respectively. The resistivity of the material of the conductor is 'ρ'. Its resistance depends upon
p) l only
q) l and A
r) ρ, l and A
s) ρ and l, but not A
Pick up the right option from those given above.
1
p)
2
r)
3
s)
4
q)