Not the calculation—the explanation . They will show you a potentiometer or a Wheatstone Bridge circuit. They won't ask for the answer. They'll ask: "Explain why the galvanometer reading is zero." If you write "because no current flows," you get 0 marks. You must say: "The potential difference between points X and Y is equal, hence potential difference across galvanometer is zero." Precision is everything.
Simply doing the questions is not enough. To see a real improvement in your grades, follow this systematic practice routine: 1. Time-Bound Practice jc1 h2 physics promo papers
2025 JC1 H2 Physics Promo Mark Scheme | PDF | Velocity - Scribd Not the calculation—the explanation
Data-Based Questions: A hallmark of H2 Physics, these questions provide a set of data or a real-world scenario. Students must analyze the information, identify patterns, and apply physical laws to reach a conclusion. They'll ask: "Explain why the galvanometer reading is zero