Edexcel IGCSE Physics 6.9P Electromagnets

Practise describing simple electromagnets using labelled coils, current supplies and magnetic cores in real contexts such as MRI machines.

Exam points

describe a coil or solenoid carrying d.c. current, often using a labelled diagram
add an iron or soft iron core and explain its role in forming the electromagnet

[Maximum number: 4]

Magnetic Resonance Imaging (MRI) machines can take scans of the inside of a patient.

There is an electromagnet inside the MRI machine.

Describe the construction of an electromagnet.
You may draw a diagram to help your answer.

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