O-LevelPhysicsElectricity5054/12 · May/June 2020 · Q381 Mark

The diagram shows a circuit. What effect does closing the switch have on the readings of ammeters X and Y?

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Areading on ammeter X: decreases, reading on ammeter Y: decreases

Breading on ammeter X: decreases, reading on ammeter Y: increases

Creading on ammeter X: increases, reading on ammeter Y: decreases

Dreading on ammeter X: increases, reading on ammeter Y: increases

✓ Correct answer

C: reading on ammeter X: increases, reading on ammeter Y: decreases

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2020 Paper 1 Variant 2, question 38.

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