A law that states that the polarity of the induced voltage will oppose the change in magnetic flux causing the induction.

A. Joule's law

B. Faraday's law

C. Coulomb's law

D. Lenz' law

You can do it
  1. If the length and area of cross-section of a wire are doubleda then its resistance
  2. Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
  3. A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about…
  4. The net electrical charge in an isolated system remains constant. This is known as
  5. The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
  6. Which element has four valence electrons?
  7. The diameter of a hydrogen atom is approximately ______ cm.
  8. The total number of magnetic lines of force in a magnetic field is called
  9. States that the ratio of the thermal conductivity is proportional to the absolute temperature for all…
  10. If a magnetic flux cuts across 200 turns at a rate of 2Wb/sa the induced voltage according to Faraday's…
  11. What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
  12. Which of the following is a paramagnetic material?
  13. The lagging effect between flux density of the material and the magne
  14. The unit of flux density is
  15. The electric potential across part AB of a circuit is 5 V; point A being at higher potential. If a charge…
  16. What is the unit of magnetomotive force?
  17. Which of the following electric quantities is vector in character?
  18. Hysteresis loss can be reduced by one of the following.
  19. The magnitude of the induced emf in a coil is directly proportional to the rate of change of flux linkages.…
  20. What is the maximum number of electrons that can be accommodated in the last orbit of an atom?
  21. Electric field intensity at a point is numerically equal to ________ at that point.
  22. One electron volt (1 eV) is equivalent to _____ joules
  23. The magnetic flux through a wire loop in a magnetic field does not d
  24. What is the SI unit of reluctance?
  25. A law relating between the magnetic and electric susceptibilities and the absolute temperatures which…
  26. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  27. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
  28. The reluctance of the magnetic circuit is ________ relative permeability of the material comprising…
  29. The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
  30. Permeability means