A-LevelPhysicsElectricityOct/Nov 2013Paper 1 Q351 Mark
The wire of a heating element has resistance R. The wire breaks and is replaced by a different wire. Data for the original wire and the replacement wire are shown in the table. [Figure 35.1] What is the resistance of the replacement wire?
AR / 4
BR / 2
CR
D2R
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The correct answer is B. This question tests the candidate's understanding of electricity within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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