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If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then the end under observation is a south pole. This is known as

A. Right hand rule

B. Left hand rule

C. Cork screw rule

D. End Rule

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  1. The permittivity of a material is given by one of the following formulas.
  2. If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
  3. Refers to the non- metallic materials that have the ferromagnetic properties of iron.
  4. What principle states that each electron in an atom must have a different set of quantum numbers?
  5. The K shell or the first shell has how many permissible number of orbiting electrons?
  6. Permeance is analogous to
  7. What type of bond is formed when there exists some form of collective interactions between the (negatively…
  8. All matters (gasa liquid and solid) are composed of
  9. The core of a transformer heats up when its primary is fed from an ac source because of
  10. A test charge means a charge of
  11. What is the SI unit of conductivity?
  12. What bond is formed when one or more electrons in the outermost energy orbit of an atom are transferred…
  13. The diameter of a hydrogen atom is approximately ______ cm.
  14. At/m is a unit of
  15. The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of magnetization…
  16. Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume…
  17. Which of the following is a paramagnetic material?
  18. Steel is hard to magnetize because of its
  19. The phenomenon by which a magnetic substance becomes a magnet when it is place near a magnet
  20. What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
  21. A current if flowing east along a power line. If the earth's field is neglecteda the direction of the…
  22. What is used as the dielectric material in high voltage transformers?
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    If the resistance of a material 2 m long and 2 m^2 in area of cross-section is 1.6 10^-8 ?a then its resistivity is
  24. Defined as the number of lines per unit area through any substance in a plane at right angles to the…
  25. If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa…
  26. If the number of valence electrons of an atom is less than 4a then the substance is probably
  27. This paper does not exhibit electricity because it contains the same number of
  28. Gases whose particles are charged are known as
  29. Cobalt is an example of a ______ material.
  30. The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)