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2018 · O/N · 5054/11 | Q31

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CIE-5054-2018-ON-p11 · Question 31

October/November 2018 Physics 5054/11: 40 multiple-choice questions, one mark each. No mark is deducted for a wrong answer. Electronic calculators may be used.
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31 The power of an electrical heater is 3.0kW. The heater is switched on for a time of 2 hours and 30 minutes. The cost of using the heater for this time is 120c. What is the cost of 1.0kWh of electrical energy? A 16c B 17c C 40c D 48c

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5054/11/O/N/18Cambridge O Level Physics 5054 · Oct/Nov 2018 · Paper 1 variant 1 · Question 31