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If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa the outstretched thumb will then point the north pole. This is known as

A. Right hand rule

B. Helix rule

C. End rule

D. Cork screw rule

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  1. What type of bond is formed when there exists some form of collective interactions between the (negatively…
  2. An alloy of 22 percent iron and 78 per cent nickel.
  3. The conduction of electricity across the surface of a dielectric is called
  4. One of the common application of an air- cored choke.
  5. The electric field intensity between the parallel plate air capacitor is 20 N/C. If an insulating slab…
  6. If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
  7. What is the other name for dielectric strength?
  8. At/m is a unit of
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  10. The magnetic field of a bar magnet most closely resembles the magnetic field of
  11. The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
  12. What is another name for relative permittivity?
  13. What is the cgs unit of magnetomotive force?
  14. It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
  15. Materials that have very high permeabilities (hundreds and even thousands times of that of free space)
  16. Magnetic field intensity is a ________ quantity.
  17. One electron volt (1 eV) is equivalent to _____ joules
  18. The relative permeability of a magnetic material is 10^5. What is its permeability?
  19. The force acting on a unit n- pole placed at that point is called
  20. Hysteresis is a phenomenon of _________ in a magnetic circuit.
  21. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  22. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  23. Permeability means
  24. The potential at a point due to a charge is 15 V. If the distance is times, the potential at the point…
  25. Magnetic effects of the earth as a huge magnet with north and south poles.
  26. Electric lines of force leave or enter the charge surface at an angle of
  27. The force between two charges placed a given distance apart ______ as the relative permittivity of the…
  28. If the value of 25 a conductor is 1/255 per oCa then the value of 20is
  29. Electric field intensity is a ________.
  30. Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume…