MPSC PYQScienceElectricityenglish12) What is the SI unit of potential difference ? 1) Volt 2) Joule Coulomb -1 3) Ampere 4) 1 and 2A.VoltB.Joule Coulomb -1C.AmpereD.1 and 2Correct answer: DSource paperScience: ElectricityPractice more questions