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Cambridge IGCSE Physics practice

Paper 3 structured question: Electric current

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Electric current

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Paper 3Theory (Core)1 marks

Measuring current in a circuit is essential for understanding its behavior.

Description

Using Ammeters in Circuits

Ammeters are used to measure the current flowing through electrical circuits. They can be either analogue or digital, each suited for different measurement ranges.

  1. a

    State the two types of ammeters.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Electric current

Paper 3Theory (Core)3 marks

Description

Ammeters in Electrical Measurements

Ammeters must be connected in series to measure current accurately. They are available in various ranges to accommodate different current levels.

  1. a

    Describe how to connect an ammeter in a circuit.

    Aim for approximately 3 distinct marking points.

    [3]