The uncharged particles which have no effect on its atomic charge.

A. Nucleons

B. Electrons

C. Protons

D. Neutrons

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  1. The electrons in the last orbit of an atom are called _______ electrons.
  2. One of the solid structures in which the position of the atoms or ions are predetermined
  3. The lagging effect between flux density of the material and the magne
  4. Electron is a Greek word for
  5. The idea of preventing one component from affecting another through their common electric and magnetic…
  6. What is the SI unit of magnetic flux?
  7. The magnetic materials should have a large hysteresis loss for one of the following applications.
  8. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  9. The core of a magnetic equipment uses a magnetic material with
  10. Defined as the number of lines per unit area through any substance in a plane at right angles to the…
  11. The resistance of a material is ____________ its area of cross-section.
  12. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  13. An effect which is generally used in the gausameter to measure flux density.
  14. Electronic current in a wire is the flow of ____________ electrons.
  15. Who demonstrated the theory of electromagnetic induction in 1831?
  16. How is mutual inductance between two coils decreased?
  17. Electric field intensity at a point is numerically equal to ________ at that point.
  18. Who discovereda the relationship between magnetism and electricity that serves as the foundation for…
  19. Which of the following is a vector quantity?
  20. The reluctance of the magnetic circuit is ________ relative permeability of the material comprising…
  21. Which of the following is a paramagnetic material?
  22. What is the value of the absolute permittivity of air?
  23. What is another name for relative permittivity?
  24. Who demonstrated that there are magnetic effects around every current-carrying conductor and that current-carrying…
  25. What principle states that each electron in an atom must have a different set of quantum numbers?
  26. Who developed the electromagnetic theory of light in 1862?
  27. The magnetic field of a bar magnet most closely resembles the magnetic field of
  28. Which of the following is a paramagnetic material?
  29. The electric potential at a point in air due to a charge is 21 V. If the air is replaced by a medium…
  30. A magnetic material losses its ferromagnetic properties at a point called