The diagram shows a sensitive device enclosed by a shield that stops the magnetic field from reaching the device. In what way does the shield protect the device?
- 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.