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.

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Paper

Marks

Topic

Electrical quantities

Exam-style question

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Paper 3Theory (Core)2 marks

A circuit contains a resistor with a resistance of 10Ω and a voltage supply of 20V.

Description

Calculate the current flowing through the resistor.

a
Calculate the current using the formula V = IR.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)2 marks

Description

Determine the resistance of the resistor.

a
Determine the resistance using the formula V = IR.
Your answer
Aim for approximately 2 distinct marking points.
[2]