Who discovered that a current-carrying conductor would move when placed in a magnetic field?

A. Michael Faraday

B. Andre Ampere

C. Hans Christian Oersted

D. Gustav Robert Kirchhoff

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  3. A test charge means a charge of
  4. Permeability means
  5. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
  6. If the value of 0 a conductor is 1/234 per oCa then the value of 18is
  7. What revolves about the positive nucleus in a definite orbit?
  8. Core materials of a good relay have _________ hysteresis loop.
  9. The force acting on a pole of 5 Wb is 25 N. What is the intensity of the magnetic field?
  10. The direction of force o a current carrying conductor placed in a m found by
  11. The uncharged particles which have no effect on its atomic charge.
  12. Which of the following has the highest permeability?
  13. What is the usual value of leakage coefficient for electrical machines?
  14. The core of a magnetic equipment uses a magnetic material with
  15. What is the unit of magnetomotive force?
  16. Paramagnetic substance has a relative permeability of
  17. Small voltages generated by a conductor with current in an external magnetic field.
  18. Which of the following materials has permeability slightly less than that of free space?
  19. Magnetic fields do not interact with
  20. A law stating that the magnetic susceptibilities of most paramagnetic substances are inversely proportional…
  21. What is the reluctance of a magnetic path having a length of 2x 10^-3m and crosssectional area of 2.5…
  22. Theory of ferromagnetic phenomena which assumes each atom is a permanent magnet which can turn freely…
  23. At/m is a unit of
  24. The tiniest element of matter
  25. Amorphous solid is also called
  26. Electronic current in a wire is the flow of ____________ electrons.
  27. A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
  28. Electric field intensity is measured in
  29. Which of the following magnetic materials can be easily magnetized in both direction?
  30. Who discovereda the relationship between magnetism and electricity that serves as the foundation for…