Home
You can do it
  1. The quantity 10^6 maxwells is equivalent to one
  2. An alloy of 40 percent iron and 60 percent nickel.
  3. Permeability means
  4. A one cubic cm of copper has how many free electrons at room temperature?
  5. Hipernik is an alloy containing __________ iron and __________ nickel.
  6. Hydrogen is an example of a _____ material.
  7. The straight line passing through the two poles of magnet is called
  8. The magnetic materials should have a large hysteresis loss for one of the following applications.
  9. States that the ratio of the thermal conductivity is proportional to the absolute temperature for all…
  10. When the relative permeability of a material is slightly less than 1a it is called _____ material.
  11. The electric potential at a point in air due to a charge is 21 V. If the air is replaced by a medium…
  12. What is the cgs unit of magnetomotive force?
  13. A magnetic circuit carries a flux iin the iron part and a fluxgin the air gap. What is the leakage coefficient?
  14. The temperature coefficient of resistance of insulators is
  15. The force between two magnetic poles is _____ the relative permeability of the medium.
  16. Temporary magnets are commonly employed in
  17. The magnetic field of a magnetized iron bar when strongly heated
  18. Ohm's law can be used only to a _____ circuit or component.
  19. The current of electric circuit is analogous to which quantity of a m
  20. Who demonstrated the theory of electromagnetic induction in 1831?
  21. Electromotive force in a circuit
  22. Magnetic field intensity is a ________ quantity.
  23. Magnetic effects of the earth as a huge magnet with north and south poles.
  24. Theory of ferromagnetic phenomena which assumes each atom is a permanent magnet which can turn freely…
  25. The hot resistance of an incandescent lamp is about _______ its cold resistance.
  26. If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa…
  27. Which of the following has the least number of valence electrons?
  28. The emission of electrons from hot bodies is called
  29. A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 × 10^-6
  30. At/m is a unit of