Physics 9702 · AS & A Level · Kirchhoff's laws

Kirchhoff's laws — practice question

The diagram represents a circuit that has four voltmeter readings, $V$, $V_1$, $V_2$ and $V_3$. Which equation connecting the voltmeter readings has to be correct?

  • A$V = V_1 + V_2 + V_3$
  • B$V + V_1 = V_2 + V_3$
  • C$V_3 = 2(V_2)$
  • D$V - V_1 = V_3$

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