May/June 2026 Paper 43

2026 · 11 questions · 44 parts · 80 marks

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7(a)Current Potential DifferenceEasy1 mark
A student connects the circuit shown in Figure 7.1.
Figure 7.1, a circuit with a 12 V battery in series with component X, drawn with two arrows pointing at it, and a 240 ohm fixed resistor, with a voltmeter connected across the fixed resistor
The connecting wires in the circuit are made of metal. State the name of the particles that flow in the metal wires.
7(b)(i)Potential Dividers SensorsEasy1 mark
A bright light shines on component X. State the name of component X.
7(b)(ii)Potential Dividers SensorsMedium3 marks
The resistance of component X is 400 when the light shines on it. Calculate the reading on the voltmeter.
7(c)Potential Dividers SensorsMedium2 marks
The brightness of the light shining on component X is reduced. The resistance of component X increases. State the effect of this change on:
  • the current in the fixed resistor
  • the reading on the voltmeter.