An effect which is generally used in the gausameter to measure flux density.

A. Skin effect

B. Magnetic effect

C. Hall effect

D. Flywheel effect

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  1. What is the unit of magnetomotive force?
  2. Hysteresis loss can be reduced by one of the following.
  3. Steel is hard to magnetize because of its
  4. The straight line passing through the two poles of magnet is called
  5. Which of the following has the highest permeability?
  6. The idea of preventing one component from affecting another through their common electric and magnetic…
  7. What is the SI unit of reluctance?
  8. The permittivity of a material is given by one of the following formulas.
  9. Which of the following is a vector quantity?
  10. Which of the following is used by temporary magnets as the magnetic material?
  11. The total number of magnetic lines of force in a magnetic field is called
  12. A law that states that the polarity of the induced voltage will oppose the change in magnetic flux causing…
  13. The net electrical charge in an isolated system remains constant. This is known as
  14. Temporary magnets are commonly employed in
  15. The force of attraction or repulsion between two magnetic poles is directly proportional to their strengths.
  16. What is the practical unit of electrical energy?
  17. The reluctance of a magnetic circuit varies with
  18. The ability of a material to conduct magnetic flux through it.
  19. The electric field intensity between the parallel plate air capacitor is 20 N/C. If an insulating slab…
  20. Which of the following materials has permeability slightly less than that of free space?
  21. If the magnetic material is located within a coil through which alternating current (60 Hz frequency)…
  22. Two similar polesa each 1Wba placed 1 m apart in air will experience a repulsive force of
  23. The force between two magnetic poles is _______ their pole strengths.
  24. If two similar charges 1 coulomb each are placed 1 m apart in aira then the force of repulsion is
  25. The magnetic field around the conductor is determined by the
  26. A negative ion results when an atom gains an additional
  27. The magnetic field inside a solenoid
  28. An effect which is generally used in the gausameter to measure flux density.
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    If the resistance of a material 2 m long and 2 m^2 in area of cross-section is 1.6 10^-8 ?a then its resistivity is
  30. A t/m is a unit of