Physics · Oct / Nov 2021 · Paper 21 · Question 6
5054
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A circuit contains a battery of electromotive force (e.m.f.) 4.5 V, a 28 Ω resistor and a variable resistor. Fig. 6.1 is the circuit diagram. 4.5 V 28Ω Fig. 6.1
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6(a)[1]
6(b)(i)[2]
6(b)(ii)[3]
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