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Questions and Answers
What are the two main types of magnets used in MRI systems?
What are the two main types of magnets used in MRI systems?
- Helium magnets and ferromagnetic magnets
- Ferrite magnets and neodymium magnets
- Superconducting magnets and field magnets
- Permanent magnets and electromagnets (correct)
Which magnetic field type is created by permanent magnets?
Which magnetic field type is created by permanent magnets?
- Constant magnetic field (correct)
- Alternating magnetic field
- Pulsed magnetic field
- Variable magnetic field
What is the unit for magnetic field strength as mentioned in the text?
What is the unit for magnetic field strength as mentioned in the text?
- Joule
- Watt
- Gauss
- Tesla (correct)
Why do permanent magnets in MRI systems usually have an open design?
Why do permanent magnets in MRI systems usually have an open design?
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What characteristic makes field magnets more expensive than permanent magnets?
What characteristic makes field magnets more expensive than permanent magnets?
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Which type of magnet is known for not losing its magnetic field over time?
Which type of magnet is known for not losing its magnetic field over time?
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