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Lenz's law is the consequence of the law of conservation of

A. Energy

B. Charge

C. Field lines

D. Momentum

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  1. The relative permeability of a magnetic material is 10^5. What is its permeability?
  2. What principle states that each electron in an atom must have a different set of quantum numbers?
  3. An atom or a group of atoms that carries a net electric charge.
  4. Electric potential is a _______ quantity.
  5. What is the measure of the density and sign of the electric charge at a point relative to that at some…
  6. Which of the following electric quantities is vector in character?
  7. Permeability means
  8. The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
  9. What bond is formed when one or more electrons in the outermost energy orbit of an atom are transferred…
  10. Two similar polesa each 1Wba placed 1 m apart in air will experience a repulsive force of
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    When the current flowsa the magnetic field . conductor is in what direction?
  12. The force between two magnetic poles varies with the distance between them. The variation is ______…
  13. The science of adapting electronics to aerospace flight.
  14. The energy stored in an electrostatic field or electromagnetic field is called
  15. The temperature coefficient of resistance of conductors is
  16. A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
  17. The magnitude of the induced emf in a coil is directly proportional to the rate of change of flux linkages.…
  18. A group of magnetically aligned atoms is called
  19. A theorem which states that an electric current flowing in a circuit produces a magnetic field at external…
  20. Materials whose permeabilities are slightly greater than that of free space
  21. If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then…
  22. Electronic current in a wire is the flow of ____________ electrons.
  23. Paramagnetic substance has a relative permeability of
  24. The electric field intensity between the parallel plate air capacitor is 20 N/C. If an insulating slab…
  25. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
  26. The force of attraction or repulsion between two magnetic poles is directly proportional to their strengths.
  27. A magnetic flux of 2.5 x10^4 Wb through an area of 5 x10^4 square meters results in
  28. A substance that attracts pieces iron
  29. Ohm's law cannot be applied to which material?
  30. The customary energy unit in atomic and nuclear physics is