Physics 9702 · AS & A Level · Practical circuits

Practical circuits — practice question

A circuit is arranged as shown. The variable resistor is altered so that the ammeter reading falls. What happens to the voltmeter readings?

Areading on voltmeter P decreases; reading on voltmeter Q decreases
Breading on voltmeter P decreases; reading on voltmeter Q increases
Creading on voltmeter P increases; reading on voltmeter Q decreases
Dreading on voltmeter P increases; reading on voltmeter Q increases

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