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Electricity answer explanations

Review worked answers and explanations for Electricity. Aligned to OCR Gcse Combined Science A Gateway.

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A student sets up a parallel circuit with two light bulbs, Bulb A (resistance 10 Ω) and Bulb B (resistance 15 Ω), connected to a 6 V power supply. (a) Calculate the current flowing through Bulb A. (b) Calculate the current flowing through Bulb B. (c) Calculate the total current drawn from the power supply. (d) Explain how the total resistance of this parallel circuit compares to the resistance of a single 10 Ω bulb. [7 marks]

Electricity answers | OCR GCSE Combined Science A Gateway | ExamCompanion