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

Kirchhoff's laws — practice question

A current flows from P to R through the resistor network shown. The potential difference (p.d.) between P and Q is $3\,\text{V}$. The p.d. between Q and R is $6\,\text{V}$. The p.d. between P and S is $5\,\text{V}$. Which row in the table is correct?

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