O-LevelPhysicsMagnetism5054/11 · Oct/Nov 2017 · Q271 Mark

The diagram shows a sensitive device surrounded by a shield that prevents the magnetic field from reaching the device. How does the shield protect the device?

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AIt channels the magnetic field around the shield until it emerges on the right-hand side.

BIts left-hand side absorbs the magnetic field.

CIts left-hand side reflects the magnetic field.

DIts left-hand side scatters the magnetic field in all directions.

✓ Correct answer

A: It channels the magnetic field around the shield until it emerges on the right-hand side.

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