Cambridge IGCSE Combined Science practice

Paper 3 structured question: Electrical quantities

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Electrical quantities

Exam-style question

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Paper 3Theory (Core)2 marks

Understanding the flow of current in electrical circuits.

Description

In a simple circuit with a battery and a resistor, the battery provides a voltage that causes current to flow through the resistor.

a
Explain how voltage causes current to flow in the circuit described.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)3 marks

Description

Consider a circuit where the voltage is increased while keeping the resistance constant. Observe the changes in current.

a
Analyse the effect of increasing voltage on the current in the circuit.
Your answer
Aim for approximately 3 distinct marking points.
[3]