O-LevelPhysicsElectricityOct/Nov 2025Paper 3 Q110 Marks
In this experiment, you will measure the efficiency of a small electric heater constructed from a coil of wire. You are provided with a circuit consisting of: • a power supply • a coil of wire in a beaker (the coil of wire is the heater) • an ammeter • a voltmeter • a switch in the open position • connecting wires. You are also provided with: • a thermometer • a stirrer • a supply of water at room temperature • a measuring cylinder • a stopwatch.
✓ Correct Answer
The correct answer is —. This question tests the candidate's understanding of electricity within the Physicssyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep