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A-Level EDEXCEL Physics January 2018
1 Marks

QP-201801-Physics-U2-old · Question 5

#energy #work #power
Question (excerpt):
E IN THIS AREA DO 5 Which of the following expressions gives the efficiency of the cell in this circuit? A ছ IR B IR ছ C ছ I௘2௘R D I௘2௘R ছ

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