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The magnetic field around the conductor is determined by the

A. Size of the conductor

B. Amount of current

C. Current divided by the resistance

D. Resistance divided by the current

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  1. The force of attraction or repulsion between two magnetic poles is directly proportional to their strengths.
  2. The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of magnetization…
  3. Another term for corona discharge.
  4. Which of the following has the highest permeability?
  5. If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
  6. How is mutual inductance between two coils decreased?
  7. One electron volt (1 eV) is equivalent to _____ joules
  8. The permittivity of a material is given by one of the following formulas.
  9. Electric field intensity is a ________.
  10. The air space between poles of magnets
  11. The reluctance of the magnetic circuit is ________ relative permeability of the material comprising…
  12. If the magnetic material is located within a coil through which alternating current (60 Hz frequency)…
  13. Calculate the permeability (in T/A. t/m) of a magnetic material that has a relative permeability of…
  14. When the relative permeability of a material is slightly more than 1a it is called ______ material.
  15. The tiniest element of matter
  16. Paramagnetic substance has a relative permeability of
  17. Hydrogen is an example of a _____ material.
  18. Who discovereda the relationship between magnetism and electricity that serves as the foundation for…
  19. Electron is a Greek word for
  20. A magnetizing force of 1000 AT/m will produce a flux density of __________ i
  21. Under ordinary conditionsa a body is considered
  22. Three charges of +5 Ca -6 C and +9 C are placed inside a sphere. What is the total flux passing through…
  23. The branch of Engineering which deals with the magnetic effect of electric current is known as
  24. What is the relative permittivity of air?
  25. The flux density in an air-cored coil is 10^-3 Wb/m^2. With a cast iron core of relative permeability…
  26. The magnetic field of a magnetized iron bar when strongly heated
  27. The electric potential across part AB of a circuit is 5 V; point A being at higher potential. If a charge…
  28. What determines the atomic number of an element?
  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. When the relative permeability of a material is much greater than 1a it is called _______ material.