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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. Which of the following materials has the highest dielectric strength?
  2. Electromotive force in a circuit
  3. The magnetic flux of 2000 lines is how many Maxwells?
  4. A group of magnetically aligned atoms is called
  5. What bond is formed when one or more electrons in the outermost energy orbit of an atom are transferred…
  6. Which of the following is a paramagnetic material?
  7. The force between two magnetic poles is _______ their pole strengths.
  8. The relative permeability of a magnetic material is 10^5. What is its permeability?
  9. A permanent magnet does not exert a force on
  10. If the number of valence electrons of an atom is less than 4a then the substance is probably
  11. If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa…
  12. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  13. Defined as the number of lines per unit area through any substance in a plane at right angles to the…
  14. What is the SI unit of magnetic flux?
  15. Core materials of a good relay have _________ hysteresis loop.
  16. All matters (gasa liquid and solid) are composed of
  17. The uncharged particles which have no effect on its atomic charge.
  18. The emf induced in a coil due to the change of its own flux linked with it is called
  19. Which of the following materials has the least hysteresis loop area?
  20. A law stating that the magnetic susceptibilities of most paramagnetic substances are inversely proportional…
  21. What is the main advantage of temporary magnets?
  22. The hot resistance of an incandescent lamp is about _______ its cold resistance.
  23. There are how many compounds available in nature?
  24. Another term for corona discharge.
  25. All magnetic field originates from
  26. An alloy of 22 percent iron and 78 per cent nickel.
  27. The diameter of a hydrogen atom is approximately ______ cm.
  28. Small voltages generated by a conductor with current in an external magnetic field.
  29. The magnetic energy stored in an inductor is ______ current.
  30. ______ is an electromagnet with its core in the form of a close magnetic ring.