Physics (AS & A Level) · May / June 2025 · Paper 24 · Question 6
9702
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A battery of electromotive force (e.m.f.) 6.0 V and negligible internal resistance is connected in series with a variable resistor and a uniform resistance wire XY, as shown in Fig. 6.1. R 6.0 V uniform wire of resistance 8.0 Ω X Y 2.00 m Fig. 6.1 Wire XY has length 2.00 m and resistance 8.0 Ω. The resistance R of the variable resistor is adjusted so that the potential difference across wire XY is 2.4 V.
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6(a)[2]
6(b)[2]
6(c)(i)[2]
6(c)(ii)[2]
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