A-LevelPhysicsD.C. circuitsOct/Nov 2020Paper 1 Q371 Mark
A cell of negligible internal resistance is connected to a network of resistors and a voltmeter, as shown. [Figure 37.1] The reading on the voltmeter is zero. What is the resistance of resistor R?
A1.20 Ω
B1.80 Ω
C7.20 Ω
D14.4 Ω
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The correct answer is D. This question tests the candidate's understanding of d.c. circuits within the Physicssyllabus. The examiner's mark scheme requires...
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