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What is the unit of magnetomotive force?

A. Volt

B. Tesla

C. Ampere- turn

D. Weber

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  1. What is the other name for dielectric strength?
  2. There are how many compounds available in nature?
  3. If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then…
  4. Electric field intensity at a point is numerically equal to ________ at that point.
  5. Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume…
  6. When a current carrying conductor is placed in a magnetic fielda the maximum force will act on the conductor…
  7. The greater percentage of materials is _________.
  8. Electron is a Greek word for
  9. The branch of Engineering which deals with the magnetic effect of electric current is known as
  10. The temperature coefficient of resistance of insulators is
  11. The air space between poles of magnets
  12. The force between two magnetic poles varies with the distance between them. The variation is ______…
  13. The relative permeability of a magnetic material is 10^5. What is its permeability?
  14. A current if flowing east along a power line. If the earth's field is neglecteda the direction of the…
  15. Permeability means
  16. An electron- volt (eV) is a unit of
  17. The magnetic field around the conductor is determined by the
  18. The unit of flux is _____ in cgs system.
  19. Defined as the flux density produced in it due to its own induced magnetism
  20. An effect which is generally used in the gausameter to measure flux density.
  21. The temperature coefficient of resistance of a conductor ______ with an increase in temperature.
  22. Back emf refers to the
  23. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
  24. If the number of valence electrons of an atom is more than 4a the substance is called
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    A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 10^-6
  26. The permittivity of a material is given by one of the following formulas.
  27. The magnitude of the induced emf in a coil is directly proportional to the rate of change of flux linkages.…
  28. If the distance between two magnetic poles decreases by 2 timesa the force between them
  29. What determines the value of the temperature coefficient of resistance of a material?
  30. The ability of a material to conduct magnetic flux through it.