Electronic current in a wire is the flow of ____________ electrons.

A. free

B. valence

C. bound

D. loose

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Defined as the number of lines per unit area through any substance in a plane at right angles to the…
  2. Which of the following electric quantities is vector in character?
  3. If the value of 0 a conductor is 1/234 per oCa then the value of 18is
  4. Which element has four valence electrons?
  5. What is the SI unit of specific resistance or resistivity?
  6. The force between two magnetic poles is _____ the relative permeability of the medium.
  7. The force acting on a unit n- pole placed at that point is called
  8. The diameter of a hydrogen atom is approximately ______ cm.
  9. What is the cgs unit of magnetomotive force?
  10. If the relative permittivity of a material is 10a then its permittivity is
  11. What is the diameter of an atom?
  12. The magnetic materials should have a large hysteresis loss for one of the following applications.
  13. When the current flowsa the magnetic field . conductor is in what direction?
  14. The magnetic field of a bar magnet most closely resembles the magnetic field of
  15. The reluctance of a magnetic circuit is not dependent on which of the following?
  16. Electromotive force in a circuit
  17. A law stating that the magnetic susceptibilities of most paramagnetic substances are inversely proportional…
  18. When a conductor is stationary and the magnetic field is moving or changing the emf induced is called
  19. If a magnetic flux cuts across 200 turns at a rate of 2Wb/sa the induced voltage according to Faraday's…
  20. An alloy of 40 percent iron and 60 percent nickel.
  21. The core of a transformer heats up when its primary is fed from an ac source because of
  22. Permeance of a magnetic circuit is _________ the cross-sectional area of the circuit.
  23. How much is the flux in Weber in the above problem?
  24. What is the relative permittivity of air?
  25. What is the usual value of leakage coefficient for electrical machines?
  26. Who discovered superconductivity in 1911?
  27. Whenever a flux inking a coil or current changesa an emf is induced in it. This is known as
  28. As the magnetic intensity decreasesa the relative permeability of a magnetic material
  29. The magnetic field inside a solenoid
  30. Lenz's law is the consequence of the law of conservation of