Physics · Oct / Nov 2019 · Paper 11 · Question 35
5054Series and parallel circuits
An ammeter is connected to three resistors and a power supply. Which arrangement of resistors gives the greatest ammeter reading?
- ACircuit A: 2 Ω and 4 Ω in parallel, in series with 4 Ω
- BCircuit B: 2 Ω and 4 Ω in parallel, in series with 4 Ω
- CCircuit C: 4 Ω and 4 Ω in parallel, in series with 2 Ω
- DCircuit D: 2 Ω, 4 Ω and 4 Ω in series
As printed in the paper
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Correct answer: A. Circuit A: 2 Ω and 4 Ω in parallel, in series with 4 Ω
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