Physics (AS & A Level) · Oct / Nov 2020 · Paper 12 · Question 37
A cell of negligible internal resistance is connected to a network of resistors and a voltmeter, as shown. 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
As printed in the paper
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Correct answer: D. 14.4 Ω
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