A-LevelPhysicsD.C. circuitsOct/Nov 2013Paper 1 Q331 Mark
The diagram shows an electric circuit in which the resistance of the external resistor is 2R and the internal resistance of the source is R. [Figure 33.1] What is the ratio power in external resistor power in internal resistance ?
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C2
D4
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The correct answer is C. This question tests the candidate's understanding of d.c. circuits 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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