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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. Defined as the number of lines per unit area through any substance in a plane at right angles to the…
  2. Hysteresis is a phenomenon of _________ in a magnetic circuit.
  3. A group of magnetically aligned atoms is called
  4. The point in a magnet where the intensity of magnetic lines of force is maximum
  5. All matters (gasa liquid and solid) are composed of
  6. The force which set ups or tends to set up magnetic flux in a magnetic circuit
  7. The ratio of the permeability of material to the permiabiity of air or vacuum.
  8. Which of the following magnetic materials can be easily magnetized in both direction?
  9. How many electrons are needed in the valence orbit to give a material's stability?
  10. A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
  11. If the magnetic material is located within a coil through which alternating current (60 Hz frequency)…
  12. A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about…
  13. A positively charged body has
  14. Which element has four valence electrons?
  15. A negatively charge body has
  16. The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given…
  17. What is the SI unit of reluctance?
  18. Under ordinary conditionsa a body is considered
  19. The tiniest element of matter
  20. The phenomenon by which a subtracts pieces of iron
  21. Hipernik is an alloy containing __________ iron and __________ nickel.
  22. The amount of magnetizing force to counter balance the resid magnetic material is referred to as
  23. Which of the following is used by permanent magnets as the magnetic material?
  24. The B-H curve for ________ is a straight line passing through the origin.
  25. The magnetic field around the conductor is determined by the
  26. The K shell or the first shell has how many permissible number of orbiting electrons?
  27. The property of a material which opposes the creation of magnetic flux in it
  28. A magnetic field is
  29. Bonding of atoms that is due to the force of attraction between positive ions and a group of negative…
  30. One farad equals