Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

The diagram illustrates a potential divider circuit. Which equation is used to determine $V_1$?

  • A$V_1 = \dfrac{R_1}{V_2 \times (R_1 + R_2)}$
  • B$V_1 = \dfrac{V_2 \times R_1}{R_2}$
  • C$V_1 = \dfrac{V_2 \times R_1}{R_1 + R_2}$
  • D$V_1 = \dfrac{R_1}{V_2 \times R_2}$

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