Steinmetz’s law of hysteresis

Target entity: Steinmetz’s law of hysteresis
Context triple: [Charles Proteus Steinmetz, knownFor, Steinmetz’s law of hysteresis]

• A. Faraday's law of induction
  Faraday's law of induction is a fundamental principle of electromagnetism that relates changing magnetic flux through a circuit to the induced electromotive force (voltage) in that circuit.
• B. On Physical Lines of Force
  "On Physical Lines of Force" is an 1861–62 series of papers by James Clerk Maxwell that introduced the field concept and laid the foundations for classical electromagnetic theory.
• C. A Treatise on Electricity and Magnetism
  A Treatise on Electricity and Magnetism is James Clerk Maxwell’s foundational 19th-century work that systematically formulated the classical theory of electromagnetism, including the famous Maxwell’s equations.
• D. London equations
  The London equations are fundamental relations in superconductivity that describe how magnetic fields behave inside superconductors, capturing key features like the Meissner effect and zero electrical resistance.
• E. de Haas–van Alphen effect
  The de Haas–van Alphen effect is a quantum oscillatory phenomenon in metals where the magnetization varies periodically with applied magnetic field, allowing precise mapping of the electronic structure and Fermi surface.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Steinmetz’s law of hysteresis
Target entity description: Steinmetz’s law of hysteresis is an empirical formula that relates the energy loss in magnetic materials to the maximum magnetic flux density, widely used in electrical engineering to estimate core losses in transformers and other AC magnetic devices.

• A. Faraday's law of induction
  Faraday's law of induction is a fundamental principle of electromagnetism that relates changing magnetic flux through a circuit to the induced electromotive force (voltage) in that circuit.
• B. On Physical Lines of Force
  "On Physical Lines of Force" is an 1861–62 series of papers by James Clerk Maxwell that introduced the field concept and laid the foundations for classical electromagnetic theory.
• C. A Treatise on Electricity and Magnetism
  A Treatise on Electricity and Magnetism is James Clerk Maxwell’s foundational 19th-century work that systematically formulated the classical theory of electromagnetism, including the famous Maxwell’s equations.
• D. London equations
  The London equations are fundamental relations in superconductivity that describe how magnetic fields behave inside superconductors, capturing key features like the Meissner effect and zero electrical resistance.
• E. de Haas–van Alphen effect
  The de Haas–van Alphen effect is a quantum oscillatory phenomenon in metals where the magnetization varies periodically with applied magnetic field, allowing precise mapping of the electronic structure and Fermi surface.
• F. None of above. chosen