Home Physics Magnetism and Matter Magnetic Materials A superconductor exhibits perfect
Physics Magnetism and Matter Magnetic Materials Single Correct MCQ
Published on: September 12, 2026

A superconductor exhibits perfect

A
Ferrimagnetism
B
Ferromagnetism
C
Paramagnetism
D
Diamagnetism

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Text Solution

Verified by Experts
The correct answer is:
D
Explanation:
Superconductors are materials that can conduct electricity without resistance below a critical temperature. One of the remarkable properties of superconductors is their ability to expel magnetic fields, a phenomenon known as the Meissner effect.
  • Ferrimagnetism: This refers to a type of magnetism where magnetic moments of atoms on different sublattices are opposing but unequal, resulting in a net magnetization.
  • Ferromagnetism: This is a type of magnetism where magnetic moments align parallel to each other, resulting in a strong magnetic field.
  • Paramagnetism: This occurs in materials where magnetic moments are aligned in the presence of an external magnetic field but do not retain magnetization in the absence of it.
  • Diamagnetism: This is the property of materials that generate a magnetic field in opposition to an applied magnetic field, which is exactly what occurs in superconductors.

Conclusion: Superconductors exhibit perfect diamagnetism, so the correct answer is D.

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