Cambridge IGCSE Physics practice

Paper 4 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 4Theory (Extended)2 marks

Calculating work done in an electrical circuit.

Description

A circuit has an electromotive force of 15 V. A charge of 5 C is moved through this circuit.

a
State the work done in moving the charge through the circuit.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 4Theory (Extended)2 marks

Description

An electric source provides an EMF of 10 V and does 20 J of work on a charge.

a
State the amount of charge moved by the electric source.
Your answer
Aim for approximately 2 distinct marking points.
[2]