Cambridge IGCSE Physics practice

Paper 3 structured question: Electromotive force and potential difference

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Paper

Marks

Topic

Electromotive force and potential difference

Exam-style question

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Paper 3Theory (Core)2 marks

Analyzing the effects of potential difference.

Description

A circuit has a potential difference of 5 volts across a light bulb. What does this imply?

a
State what the potential difference indicates about the energy available to the light bulb.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)1 marks

Description

In a simple circuit, a battery provides a potential difference of 12 volts across a resistor.

a
State the unit of potential difference.
Your answer
Aim for approximately 1 distinct marking point.
[1]