OCR 2023 GCSE Combined Science B Twenty First Century Science J260/03: Physics (Foundation Tier) Question Paper & Mark Scheme (Merged)

2 © OCR 2023 ring ring 1 Ling has a torch with a filament lamp. (a) What is the correct circuit symbol for a filament lamp? Put a around the correct option. [1] (b) The torch is not working. Ling makes this circuit to test components. Ammeter Crocodile clip A B Crocodile clip Battery Complete the sentences to explain how the circuit works. Put a around each correct option. A component is connected to A and B using the ammeter / battery / crocodile clips. If the ammeter measures a current it means that the circuit is broken / complete / faulty. This shows that the component conducts electricity / heat / light. [3] 3 © OCR 2023 Turn over (c) Which equation shows how to calculate the energy transferred to the filament lamp? Tick () one box. energy transferred = charge ÷ potential difference energy transferred = potential difference ÷ charge energy transferred = potential difference × charge [1] (d) The current through the filament lamp is 0.5A.