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 principle that states that only two electrons with different spins are allowed to exist in a given…
  2. The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
  3. The straight line passing through the two poles of magnet is called
  4. A magnetic field is
  5. Flux density is measured in
  6. A positively charged body has
  7. The customary energy unit in atomic and nuclear physics is
  8. The unit of flux is _____ in cgs system.
  9. The force between two magnetic poles varies with the distance between them. The variation is ______…
  10. The potential at a point due to a charge is 15 V. If the distance is times, the potential at the point…
  11. One ampere- turn is equivalent to _____ gilberts
  12. The electric potential at a point in air due to a charge is 21 V. If the air is replaced by a medium…
  13. Steel is hard to magnetize because of its
  14. The electric field intensity between the parallel plate air capacitor is 20 N/C. If an insulating slab…
  15. The magnetic potential in a magnetic circuit can be measured in terms of
  16. A negative ion results when an atom gains an additional
  17. A 200-watt lamp working for 24 hours will consume approximately _____ units.
  18. Who discovered the most important electrical effects which is the magnetic effect?
  19. Who discovered superconductivity in 1911?
  20. The property of magnetic materials of retaining magnetism after withdrawal of the magnetizing force…
  21. Amorphous solid is also called
  22. Electron is a Greek word for
  23. All matters (gasa liquid and solid) are composed of
  24. The permeability of permalloy is
  25. If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then…
  26. Lenz' law states that the direction of the induced emf and hence current
  27. A magnetizing force of 1000 AT/m will produce a flux density of __________ i
  28. What is the practical unit of electrical energy?
  29. The air space between poles of magnets
  30. Magnetic fields do not interact with