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Define as that pole which when placed in air from a similar and equal pole repels it with a force of newtons

A. North pole

B. South pole

C. Unit pole

D. Magnetic pole

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  1. Small voltages generated by a conductor with current in an external magnetic field.
  2. The potential at a point due to a charge is 15 V. If the distance is times, the potential at the point…
  3. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  4. The magnetic flux through a wire loop in a magnetic field does not d
  5. The unit of flux is _____ in cgs system.
  6. The ability of a material to conduct magnetic flux through it.
  7. Which of the following is a paramagnetic material?
  8. A magnetic flux of 2.5 x10^4 Wb through an area of 5 x10^4 square meters results in
  9. The temperature coefficient of resistance of conductors is
  10. One of the common application of an air- cored choke.
  11. A t/m is a unit of
  12. Who discovered the most important electrical effects which is the magnetic effect?
  13. All magnetic field originates from
  14. The unit of electrical energy is
  15. The magnetic field of a magnetized iron bar when strongly heated
  16. An electron- volt (eV) is a unit of
  17. The temperature coefficient of resistance of a conductor ______ with an increase in temperature.
  18. A magnetizing force of 1000 AT/m will produce a flux density of __________ i
  19. Temporary magnets are commonly employed in
  20. Electrons at the outer shell are called
  21. The force which set ups or tends to set up magnetic flux in a magnetic circuit
  22. The reluctance of a magnetic circuit is not dependent on which of the following?
  23. One coulomb of charge consists of ________ electrons.
  24. Which of the following magnetic materials can be easily magnetized in both direction?
  25. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
  26. The tiniest element of matter
  27. Defined as a closed path in which magnetic induction or flux flows
  28. The direction of force o a current carrying conductor placed in a m found by
  29. Who developed the electromagnetic theory of light in 1862?
  30. Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.