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Whenever a flux inking a coil or current changesa an emf is induced in it. This is known as

A. Joule's Law

B. Coulomb's Law

C. Faraday's first law of electromagnetic induction

D. Faraday's second law of electromagnetic induction

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  1. A 6- V battery is connected across a solenoid of 100 turns having a resistance of 2 ?a Calculate the…
  2. If the number of valence electrons of an atom is less than 4a then the substance is probably
  3. Who developed the electromagnetic theory of light in 1862?
  4. A negative ion results when an atom gains an additional
  5. The reluctance of a magnetic circuit is not dependent on which of the following?
  6. What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
  7. A theorem which states that an electric current flowing in a circuit produces a magnetic field at external…
  8. Magnetic effects of the earth as a huge magnet with north and south poles.
  9. Electron is a Greek word for
  10. If the value of 25 of a conductor is 1/230 per oCa then the value of 0is
  11. The unit of electrical energy is
  12. The air space between poles of magnets
  13. The temperature coefficient of resistance of a conductor ______ with an increase in temperature.
  14. The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption…
  15. What is the other name for dielectric strength?
  16. What is the usual value of leakage coefficient for electrical machines?
  17. What is the SI unit of reluctance?
  18. Paramagnetic substance has a relative permeability of
  19. The permeability of permalloy is
  20. Defined as the number of lines per unit area through any substance in a plane at right angles to the…
  21. The dielectric constant of most materials lies between
  22. The magnetic field of a bar magnet most closely resembles the magnetic field of
  23. Electric lines of force leave or enter the charge surface at an angle of
  24. All magnetic field originates from
  25. What is the SI unit of conductivity?
  26. The reluctance of the magnetic circuit is ________ relative permeability of the material comprising…
  27. The temperature coefficient of resistance of eureka is
  28. Electric field intensity is a ________.
  29. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  30. What is the measure of the density and sign of the electric charge at a point relative to that at some…