Exam (elaborations)
OCR 2023 GCE Physics B H557/03: Practical skills in physics A Level Question Paper & Mark Scheme (Merged)
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2 © OCR 2023 zinc cathode copper anode lemon resistor V Section A 1 A cell can be made by inserting a zinc cathode and a copper anode into a lemon. A high resistance voltmeter is used in the circuit shown in Fig. 1.1 to measure the p.d. across the lemon when different resistors are pla...
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