Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as

A. Coulomb's law

B. Joule's law

C. Faraday's law

D. Ohm's law

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  1. Three charges of +5 Ca -6 C and +9 C are placed inside a sphere. What is the total flux passing through…
  2. Ohm's law cannot be applied to which material?
  3. If the relative permittivity of a material is 10a then its permittivity is
  4. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  5. Materials whose permeabilities are slightly greater than that of free space
  6. The dielectric constant of most materials lies between
  7. Which of the following materials has permeability slightly less than that of free space?
  8. A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
  9. Materials that have very high permeabilities (hundreds and even thousands times of that of free space)
  10. The emf induced in a coil due to the changing current of another neighboring coil is called
  11. The science of adapting electronics to aerospace flight.
  12. A good conductor has how many valence electrons?
  13. The flux density in an air-cored coil is 10^-3 Wb/m^2. With a cast iron core of relative permeability…
  14. Who developed the electromagnetic theory of light in 1862?
  15. The permeability of a material having a flux density of 5 Wb/m^2 is 10^-5 H/m. What is the value of…
  16. The current of electric circuit is analogous to which quantity of a m
  17. Flux linkages equals
  18. One of the solid structures in which the position of the atoms or ions are predetermined
  19. Back emf refers to the
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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
  21. Electron is a Greek word for
  22. A negatively charge body has
  23. Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume…
  24. A law stating that the magnetic susceptibilities of most paramagnetic substances are inversely proportional…
  25. Who demonstrated the theory of electromagnetic induction in 1831?
  26. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  27. Flux density is measured in
  28. Defined as a closed path in which magnetic induction or flux flows
  29. Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring…
  30. If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then…