O-LevelPhysicsElectricityOct/Nov 2023Paper 3 Q314 Marks
In this experiment you will investigate how the potential difference V across the terminals of a power supply changes as the current I in a circuit changes. You are provided with: • a length of resistance wire attached to a metre rule • a power supply • a switch • an ammeter • a voltmeter • a flying lead, which is a crocodile clip attached to a length of connecting lead. The supervisor has assembled the circuit as shown in Fig. 3.1.
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