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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)3 marks

Analyzing the effect of changing voltage on current.

Description

Effect of Voltage on Current

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

  1. a

    Analyse the effect of increasing voltage on the current in the circuit.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Electrical quantities

Paper 3Theory (Core)2 marks

Description

Voltage and Current Flow

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

  1. a

    Explain how voltage causes current to flow in the circuit described.

    Aim for approximately 2 distinct marking points.

    [2]