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A t/m is a unit of

A. Mmf

B. Emf

C. Reluctance

D. Magnetizing force

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  1. The force between two magnetic poles is _______ their pole strengths.
  2. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
  3. If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa…
  4. Three charges of +5 Ca -6 C and +9 C are placed inside a sphere. What is the total flux passing through…
  5. A law that states that the polarity of the induced voltage will oppose the change in magnetic flux causing…
  6. The customary energy unit in atomic and nuclear physics is
  7. One electron volt (1 eV) is equivalent to _____ joules
  8. The temperature coefficient of resistance of insulators is
  9. This paper does not exhibit electricity because it contains the same number of
  10. The straight line passing through the two poles of magnet is called
  11. When a conductor is stationary and the magnetic field is moving or changing the emf induced is called
  12. The phenomenon by which a subtracts pieces of iron
  13. The relative permeability of a magnetic material is 10^5. What is its permeability?
  14. A one cubic cm of copper has how many free electrons at room temperature?
  15. Why is it that the magnitude of magnetomotive force required for air gap is much greater than that required…
  16. The dielectric constant of most materials lies between
  17. Hysteresis loss can be reduced by one of the following.
  18. Hysteresis is a phenomenon of _________ in a magnetic circuit.
  19. A negatively charge body has
  20. What solid has no defined crystal structure except perhaps in the arrangement of the nearest neighboring…
  21. Electric potential is a _______ quantity.
  22. If two similar charges 1 coulomb each are placed 1 m apart in aira then the force of repulsion is
  23. The core of a magnetic equipment uses a magnetic material with
  24. __________ is a substance of whose molecules consist of the same kind of atom.
  25. The lagging effect between flux density of the material and the magne
  26. Permeance of a magnetic circuit is _________ the cross-sectional area of the circuit.
  27. The resistance of a material is ____________ its area of cross-section.
  28. A germanium atom has an atomic weight of72. How many neutrons are there?
  29. The magnetic field of a bar magnet most closely resembles the magnetic field of
  30. The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given…