← all questions · Physics · 9702 · Paper 2
A battery of e.m.f. 6.0 V and internal resistance r is connected to an external resistor of resistance 12 Ω and a thermistor X in parallel.
The combined resistance of the external resistor and thermistor X connected in parallel is 4.8 Ω.
Calculate the resistance of X.
9702/02/SP/22Cambridge International AS & A Level Physics 9702 · Specimen 2022 · Paper 2 · Question 6(b)(iii)
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Suggested time: 2 min