A-LevelPhysicsD.C. circuits9702/12 · May/June 2024 · Q301 Mark
The diagram shows a cell of negligible internal resistance connected to a switch and two resistors of resistances R and 2R. [Figure 30.1] The circuit also contains two ammeters X and Y. The reading on X is 4.0 A when the switch is open. What are the readings on X and Y after the switch is closed?
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A4.0, 1.3
B4.0, 2.7
C6.0, 2.0
D6.0, 4.0
✓ Correct answer
C: 6.0, 2.0
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