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A magnetic material losses its ferromagnetic properties at a point called

A. Curie temperature

B. Inferred absolute temperature

C. Room temperature

D. Absolute temperature

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  1. Hysteresis is a phenomenon of _________ in a magnetic circuit.
  2. Which of the following materials has permeability slightly less than that of free space?
  3. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
  4. States that the ratio of the thermal conductivity is proportional to the absolute temperature for all…
  5. The unit of electrical energy is
  6. The emf induced in a coil due to the changing current of another neighboring coil is called
  7. Paramagnetic substance has a relative permeability of
  8. Small voltages generated by a conductor with current in an external magnetic field.
  9. If the magnetic material is located within a coil through which alternating current (60 Hz frequency)…
  10. Electron is a Greek word for
  11. If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total…
  12. The lagging effect between flux density of the material and the magne
  13. If the distance between two magnetic poles decreases by 2 timesa the force between them
  14. What is the SI unit of reluctance?
  15. Used to maintain strength of magnetic field
  16. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
  17. Who demonstrated that there are magnetic effects around every current-carrying conductor and that current-carrying…
  18. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  19. A 200-watt lamp working for 24 hours will consume approximately _____ units.
  20. Magnetic fields do not interact with
  21. A positively charged body has
  22. What is the cgs unit of magnetomotive force?
  23. The current of electric circuit is analogous to which quantity of a m
  24. Electrons at the outer shell are called
  25. The energy stored in an electrostatic field or electromagnetic field is called
  26. Lenz's law is the consequence of the law of conservation of
  27. Which of the following is a vector quantity?
  28. One that has magnetic poles produced by internal atomic structure with no external current necessary
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  30. What is the relative permittivity of air?