Which of the following SI units is equivalent to a joule per coulomb (J⋅C−1\text{J}\cdot\text{C}^{-1}J⋅C−1)?
ampere
ohm
volt
watt
55 exam-style questions on CIE IGCSE Physics 4.2.3a Electromotive force. Each one has a worked solution and a mark scheme showing where the marks go.