Which of the following types of magnets used in MRI units is able to induce the strongest magnetic field and highest signal-to-noise ratio?

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Superconducting magnets are able to induce the strongest magnetic field and highest signal-to-noise ratio because they can generate extremely high magnetic fields without the energy loss caused by electrical resistance. Additionally, their magnetic field strength can be easily adjusted, making them ideal for use in MRI units. Permanent magnets are not as strong as superconducting magnets and are typically used in smaller, portable MRI units. Resistive electromagnetic magnets and rare earth magnets are also not as strong as superconducting magnets and are less commonly used in MRI units.

Which of the Following Types of Magnets Used in MRI