Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.

A. Leading effect

B. Ratio

C. Equality

D. Lagging effect

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  1. The hot resistance of an incandescent lamp is about _______ its cold resistance.
  2. How is mutual inductance between two coils decreased?
  3. Temporary magnets are commonly employed in
  4. If the distance between two magnetic poles decreases by 2 timesa the force between them
  5. This paper does not exhibit electricity because it contains the same number of
  6. The reluctance of a magnetic circuit varies with
  7. A magnetic circuit carries a flux iin the iron part and a fluxgin the air gap. What is the leakage coefficient?
  8. The net electrical charge in an isolated system remains constant. This is known as
  9. The emission of electrons from hot bodies is called
  10. Which of the following is used by temporary magnets as the magnetic material?
  11. Which of the following is a vector quantity?
  12. Defined as the flux density produced in it due to its own induced magnetism
  13. If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
  14. Back emf refers to the
  15. If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa…
  16. If the value of 0 a conductor is 1/234 per oCa then the value of 18is
  17. The temperature coefficient of resistance of eureka is
  18. What is the relative permittivity of air?
  19. Small voltages generated by a conductor with current in an external magnetic field.
  20. The diameter of a hydrogen atom is approximately ______ cm.
  21. Hydrogen is an example of a _____ material.
  22. A law stating that the magnetic susceptibilities of most paramagnetic substances are inversely proportional…
  23. The magnetic potential in a magnetic circuit can be measured in terms of
  24. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  25. The permittivity of a material is given by one of the following formulas.
  26. An alloy of 40 percent iron and 60 percent nickel.
  27. If the value of 25 a conductor is 1/255 per oCa then the value of 20is
  28. Which element has four valence electrons?
  29. The resistivity of a conductor ___________ with an increase in temperature.
  30. Define as that pole which when placed in air from a similar and equal pole repels it with a force of…