A potential divider is made of two resistors with resistances $R_1$ and $R_2$ joined in series across a source of potential difference (p.d.) $V_{in}$. The p.d. measured across $R_1$ is $V_{out}$. Which changes to $R_1$ and $R_2$ would make $V_{out}$ larger?
Physics 9702 · AS & A Level · Potential dividers