The magnitude of the induced emf in a coil is directly proportional to the rate of change of flux linkages. This is known as

A. Joule's Law

B. Faraday's second law of electromagnetic induction

C. Faraday's first law of electromagnetic induction

D. Coulomb's Law

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  1. Who discovered the most important electrical effects which is the magnetic effect?
  2. What is the SI unit of conductance?
  3. A law stating that the magnetic susceptibilities of most paramagnetic substances are inversely proportional…
  4. The unit of electrical energy is
  5. Small voltages generated by a conductor with current in an external magnetic field.
  6. Permanent magnets can be found in
  7. Which of the following magnetic materials can be easily magnetized in both direction?
  8. The force acting on a pole of 5 Wb is 25 N. What is the intensity of the magnetic field?
  9. An effect which is generally used in the gausameter to measure flux density.
  10. The mass of proton is __________ the mass of an electron.
  11. The magnetic potential in a magnetic circuit can be measured in terms of
  12. A one cubic cm of copper has how many free electrons at room temperature?
  13. The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
  14. How is mutual inductance between two coils decreased?
  15. The resistance of a material is ____________ its area of cross-section.
  16. The reluctance of a magnetic circuit is not dependent on which of the following?
  17. Gases whose particles are charged are known as
  18. One farad equals
  19. Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
  20. Hydrogen is an example of a _____ material.
  21. Referred to as the specific reluctance of a material
  22. One coulomb of charge consists of ________ electrons.
  23. Which element has four valence electrons?
  24. The magnetic energy stored in an inductor is ______ current.
  25. The direction of force o a current carrying conductor placed in a m found by
  26. The simplest type of atom to exist is the ______ atom.
  27. A test charge means a charge of
  28. Which of the following materials has permeability slightly less than that of free space?
  29. A group of magnetically aligned atoms is called
  30. Lenz's law is the consequence of the law of conservation of