In electrical work, resistance is often represented by the
a. greek symbol o.
c. letter v.
b. letter i.
d. letter e.

In electrical work, resistance is often represented by the Greek symbol Ω. The correct option among all the options that are given in the question is the first option or option "a". It is actually a Greek Letter Omega and is written in upper case. I hope this is the answer you were looking for and it has helped you.