Physics 0625 · IGCSE · Electrical quantities

Electrical quantities — practice question

A student sketches graphs of an a.c. supply and a d.c. supply. Which row gives the correct labels for W, X and Y?

  • Alabel of W: time; a.c. supply: X; d.c. supply: Y
  • Blabel of W: time; a.c. supply: Y; d.c. supply: X
  • Clabel of W: voltage; a.c. supply: X; d.c. supply: Y
  • Dlabel of W: voltage; a.c. supply: Y; d.c. supply: X

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