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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Electrical quantities

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Electrical quantities

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Paper 3Theory (Core)2 marks

A circuit has a voltage of 30V and a current of 3A flowing through a resistor.

Description

Resistance Calculation

Determine the resistance of the resistor.

  1. a

    Determine the resistance using the formula V = IR.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Electrical quantities

Paper 3Theory (Core)2 marks

Description

Circuit Analysis

Calculate the current flowing through the resistor.

  1. a

    Calculate the current using the formula V = IR.

    Aim for approximately 2 distinct marking points.

    [2]