Defined as a closed path in which magnetic induction or flux flows

A. Electric circuit

B. Magnetic circuit

C. Electronic circuit

D. Electromagnetic circuit

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  1. A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about…
  2. The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given…
  3. A t/m is a unit of
  4. Ohm's law cannot be applied to which material?
  5. If the number of valence electrons of an atom is less than 4a then the substance is probably
  6. The resistance of a material is ____________ its area of cross-section.
  7. What is the other name for dielectric strength?
  8. How much is the flux in Weber in the above problem?
  9. The potential at a point due to a charge is 15 V. If the distance is times, the potential at the point…
  10. What is the SI unit of specific resistance or resistivity?
  11. Who demonstrated that there are magnetic effects around every current-carrying conductor and that current-carrying…
  12. What is the cgs unit of magnetomotive force?
  13. Hysteresis loss can be reduced by one of the following.
  14. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  15. At/m is a unit of
  16. What determines the value of the temperature coefficient of resistance of a material?
  17. The straight line passing through the two poles of magnet is called
  18. One oersted (Oe) is equivalent to _____ Gb/cm.
  19. The diameter of a hydrogen atom is approximately ______ cm.
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    When the current flowsa the magnetic field . conductor is in what direction?
  21. An alloy of 22 percent iron and 78 per cent nickel.
  22. The point in a magnet where the intensity of magnetic lines of force is maximum
  23. The branch of Engineering which deals with the magnetic effect of electric current is known as
  24. Which of the following is used by permanent magnets as the magnetic material?
  25. Used to maintain strength of magnetic field
  26. Referred to as the specific reluctance of a material
  27. When the relative permeability of a material is slightly less than 1a it is called _____ material.
  28. Which of the following has the least number of valence electrons?
  29. Hipernik is an alloy containing __________ iron and __________ nickel.
  30. A positively charged body has