Potential divider (AQA A-Level Physics): Quizzes

Resistors in series across a voltage

$V_{out} = V_{in} \times \frac{R_2}{R_1 + R_2}$

$V_{out}$ decreases

Increases $V_{out}$

Decreases as light increases

Decreases as temp rises

$V_{out}$ reduces

Switch positions of $R_1$ and LDR

Automatic street lamps at night

Regulating heating systems