What is the SI unit of resistance?

Correct option is B

The correct answer is (b) Ohm.

• The SI unit of resistance is the ohm, which is represented by the uppercase Greek letter omega (Ω).
  

Information Booster:

• The siemens (S) is the International System of Units (SI) unit for electric conductance, electric admittance, and electric susceptance. It is the reciprocal of the ohm, the unit of resistance.
  
• The mho is a unit of electrical conductance that is equal to one ampere per volt. It is also known as the siemens.
  
• A coulomb (C) is the standard unit of electric charge in the International System of Units (SI). It is the amount of electricity that a 1-ampere (A) current carries in one second (s).