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If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total magnetomotive producing magnetic flux in the circuit is

A. 10 Wb

B. 50 T

C. 1000 A t/m

D. 1000,t

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  1. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
  2. The simplest type of atom to exist is the ______ atom.
  3. Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as
  4. The magnetic energy stored in an inductor is ______ current.
  5. What is the usual value of leakage coefficient for electrical machines?
  6. If the number of valence electrons of an atom is exactly 4a then the substance is called
  7. What solid has no defined crystal structure except perhaps in the arrangement of the nearest neighboring…
  8. Used to maintain strength of magnetic field
  9. What is the unit of reluctance?
  10. The space outside the magnet where its pole have a force of attraction or repulsion on a magnetic pole…
  11. The magnetic materials should have a large hysteresis loss for one of the following applications.
  12. All magnetic field originates from
  13. What is the maximum number of electrons that can be accommodated in the last orbit of an atom?
  14. Lenz' law states that the direction of the induced emf and hence current
  15. The mass of proton is __________ the mass of an electron.
  16. Magnetic intensity is a
  17. Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring…
  18. A 200-watt lamp working for 24 hours will consume approximately _____ units.
  19. The magnetic flux of 2000 lines is how many Maxwells?
  20. Germanium atom has ______ protons and ______ electrons.
  21. Which of the following magnetic materials can be easily magnetized in both direction?
  22. How much is the flux in Weber in the above problem?
  23. What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
  24. Defined as a closed path in which magnetic induction or flux flows
  25. The electrons in the last orbit of an atom are called _______ electrons.
  26. If the distance between two magnetic poles decreases by 2 timesa the force between them
  27. A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about…
  28. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  29. If a magnetic flux cuts across 200 turns at a rate of 2Wb/sa the induced voltage according to Faraday's…
  30. Magnetic fields do not interact with