MJ20 P11 Q37 Resistor Arrangements | May/June2020 | CIE A Level 9702 Physics

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9702/11/M/J/20: Three identical resistors can be connected together in four different ways. The resistances of two of these combinations are 4.0 Ω and 9.0 Ω. What is the resistance of each individual resistor? #9702s20p11 #ASresistanceP1

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miss for octnov 2018 13 q33 the pd across the resistor which is not in parallel is 20 V but what about the 2 resistors in parallel? why do we need to half the power instead of just using 4W

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