History of MRI: From Democritus to Michael Faraday

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Questions and Answers

What is a key requirement for the operation of a resistive magnet?

  • High current values
  • Regular refilling of liquid helium
  • Significant cooling of the magnet coils (correct)
  • Absence of cryogens

Which type of magnets typically require a constant power supply to maintain a homogenous magnetic field?

  • Iron-core magnets
  • Superconducting magnets
  • Aircore magnets
  • Resistive magnets (correct)

What are the coil windings of superconducting magnets typically made of?

  • Type 2 superconductor wires (correct)
  • Iron core
  • Copper wires
  • Type 1 superconductor wires

Which type of magnets reach much higher magnetic field intensity due to their composition?

<p>Superconducting magnets (D)</p> Signup and view all the answers

What is a common coolant used in superconducting magnets?

<p>Liquid helium (B)</p> Signup and view all the answers

Which type of magnet typically requires cryogens for operation?

<p>Superconducting magnets (C)</p> Signup and view all the answers

Which category do resistive magnets fall into based on their core type?

<p>Iron-core and Aircore (A)</p> Signup and view all the answers

What is a characteristic of the magnetic field orientation in superconducting magnets?

<p>Horizontal field orientation (A)</p> Signup and view all the answers

Which type of magnet operates clinically up to 3 Tesla?

<p>High field magnet (A)</p> Signup and view all the answers

Which type of magnet exhibits field strengths greater than 0.5 Tesla?

<p>High field magnet (D)</p> Signup and view all the answers

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