Question

What is resistnace? Write its SI unit?

Answer 1

Hey friend,

Here is your answer:-

Resistance is the opposition that a substance offers to the flow of electric current. It is represented by the uppercase letter 'R'.  The standard unit of resistance is the ohm, sometimes written as a word, and sometimes symbolized by the uppercase Greek letter omega- [Ω].

HOPE IT HELPS...

HAVE A GOOD DAY!!!