Physics 9702 · AS & A Level · Potential difference and power

Potential difference and power — practice question

Which quantity cannot be used as a unit for potential difference?

  • A$\text{A }\Omega$
  • B$\text{N m}^{-1}\text{ C}^{-1}$
  • C$\text{W A}^{-1}$
  • D$\sqrt{\text{Q W}}$

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