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2023 · Specimen · 5054/01 | Q28

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CIE-5054-2023-SP-p01 · Question 28

Take the gravitational field strength as 9.8 N/kg (acceleration of free fall 9.8 m/s²), unless a question states otherwise.
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28 The e.m.f. of the battery in a radio is 3.0 V. The resistance of the circuit in the radio is 6.0 Ω. The radio is switched on. How much energy is transferred from the battery in 30 minutes? A 45 J B 900 J C 2700 J D 32 400 J

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5054/01/SP/23Cambridge O Level Physics 5054 · Specimen 2023 · Paper 1 · Question 28