A germanium atom has an atomic weight of72. How many neutrons are there?



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  1. Why is it that the magnitude of magnetomotive force required for air gap is much greater than that required…
  2. The straight line passing through the two poles of magnet is called
  3. A 6- V battery is connected across a solenoid of 100 turns having a resistance of 2 ?a Calculate the…
  4. Magnetic field intensity is a ________ quantity.
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    When the current flowsa the magnetic field . conductor is in what direction?
  6. The energy stored in an electrostatic field or electromagnetic field is called
  7. What is the other name for dielectric strength?
  8. The total number of magnetic lines of force in a magnetic field is called
  9. All magnetic field originates from
  10. A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about…
  11. If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total…
  12. The temperature coefficient of resistance of insulators is
  13. The core of a transformer heats up when its primary is fed from an ac source because of
  14. Amorphous solid is also called
  15. What is the SI unit of specific resistance or resistivity?
  16. A negatively charge body has
  17. The property of a material which opposes the creation of magnetic flux in it
  18. A current if flowing east along a power line. If the earth's field is neglecteda the direction of the…
  19. Hysteresis is a phenomenon of _________ in a magnetic circuit.
  20. The ratio between the intensity of magnetization produced in a substance to the magnetizing force producing…
  21. Which of the following electric quantities is vector in character?
  22. One coulomb of charge consists of ________ electrons.
  23. An alloy of 40 percent iron and 60 percent nickel.
  24. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
  25. The direction of force o a current carrying conductor placed in a m found by
  26. The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of magnetization…
  27. A germanium atom has an atomic weight of72. How many neutrons are there?
  28. One oersted (Oe) is equivalent to _____ Gb/cm.
  29. Used to maintain strength of magnetic field
  30. The contribution to the ionization in an ionization chamber by electrons liberated from t he walls.