Magnetism And Electromagnetism Multiple Choice Questions and Answers

41.  A main constituent of permalloy is

   A. Cobalt

   B. Chromium

   C. Nickel

   D. Tungsten

42.  Which of the following is a vector quantity?

   A. Relative permeability

   B. Magnetic field intensity

   C. Flux density

   D. Magnetic potential

43.  Tesla is a unit of

   A. Field strength

   B. Inductance

   C. Flux density

   D. Flux

44.  A magnet does not attract

   A. Cobalt

   B. Nickel

   C. Copper

   D. Iron

45.  The direction of magnetic lines of force is

   A. From South Pole to North Pole

   B. From North Pole to South Pole

   C. From one end of the magnet to another

   D. None of the above

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