Question

What is Resistance ? Givs it's SI unit

Answer 1

Resistance is the ability of the conductor to oppose the flow of current.

resistance = voltage/ current
S.I unit = ohm (Ω)

Answer 2

resistance is defined as the it is the property of the conductor by virtue of it opposes or resist any flow of charge.It arises due to the mutual collisions of electron which drift through the conductor..
resistance= V/R
SI unit is ohm