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Cambridge IGCSE Physics practice

Paper 4 structured question: Electromagnetic induction

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Electromagnetic induction

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Paper 4Theory (Extended)1 marks

Electromagnetic induction in a circuit.

Description

Induced Current in a Circuit

A coil of wire is placed in a changing magnetic field. As the magnetic field strength increases, an induced current flows in the coil.

  1. a

    State the direction of the induced current when the magnetic field strength is increasing.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Electromagnetic induction

Paper 4Theory (Extended)1 marks

Description

Force on a Current-Carrying Conductor

A straight conductor carrying current is placed in a magnetic field. The direction of the magnetic field is perpendicular to the direction of the current.

  1. a

    State the direction of the force acting on the conductor.

    Aim for approximately 1 distinct marking point.

    [1]