If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa the outstretched thumb will then point the north pole. This is known as

A. Right hand rule

B. Helix rule

C. End rule

D. Cork screw rule

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  1. One electron volt (1 eV) is equivalent to _____ joules
  2. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  3. The force between two magnetic poles varies with the distance between them. The variation is ______…
  4. The property of magnetic materials of retaining magnetism after withdrawal of the magnetizing force…
  5. Electric lines of force leave or enter the charge surface at an angle of
  6. Paramagnetic substance has a relative permeability of
  7. The lagging effect between flux density of the material and the magne
  8. The magnetic field around the conductor is determined by the
  9. The emf induced in a coil due to the changing current of another neighboring coil is called
  10. What is the usual value of leakage coefficient for electrical machines?
  11. The contribution to the ionization in an ionization chamber by electrons liberated from t he walls.
  12. A law relating between the magnetic and electric susceptibilities and the absolute temperatures which…
  13. The property of a material which opposes the creation of magnetic flux in it
  14. The magnetic potential in a magnetic circuit can be measured in terms of
  15. A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
  16. What bond is formed when one or more electrons in the outermost energy orbit of an atom are transferred…
  17. The permittivity of a material is given by one of the following formulas.
  18. One of the solid structures in which the position of the atoms or ions are predetermined
  19. If you hold the conductor with right hand so that the stretched thumb points in the direction of the…
  20. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
  21. At/m is a unit of
  22. The force acting on a pole of 5 Wb is 25 N. What is the intensity of the magnetic field?
  23. Ohm's law can be used only to a _____ circuit or component.
  24. The ability of a material to conduct magnetic flux through it.
  25. The core of a transformer heats up when its primary is fed from an ac source because of
  26. The force between two charges placed a given distance apart ______ as the relative permittivity of the…
  27. Electrons at the outer shell are called
  28. Which of the following statements is TRUE?
  29. Permanent magnets can be found in
  30. The simplest type of atom to exist is the ______ atom.