The ratio of intensity of magnetisation to the magnetisation force is known as_____________?

Related Mcqs:

1. Substances which have permeability less than the permeability of free space are known as_____________?

   A. ferromagnetic
   B. paramagnetic
   C. diamagnetic
   D. bipolar

2. A material which is slightly repelled by a magnetic field is known as_____________?

   A. ferromagnetic material
   B. diamagnetic material
   C. paramagnetic material
   D. conducting material

3. The stray line of magnetic flux is defined as_____________?

   A. a line vertical to the flux lines
   B. the mean length of a ring shaped coil
   C. a line of magnetic flux in a non-uniform field
   D. a line of magnetic flux which does not follow the designed path

4. The magneto-motive force is______________?

   A. the voltage across the two ends of exciting coil
   B. the flow of an electric current
   C. the sum of all currents embraced by one line of magnetic field
   D. the passage of magnetic field through an exciting coil

5. What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ?

   A. 22 x 10″8 N
   B. 22 x 10″7 N
   C. 22 x 10-6 N
   D. 22 x 10″5 N

6. Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be_____________?

   A. 100 N
   B. 10 N
   C. 1 N
   D. 0.1 N

7. A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be____________?

   A. 240 N
   B. 24 N
   C. 2.4 N
   D. 0.24 N

8. The force between two long parallel conductors is inversely proportional to_____________?

   A. radius of conductors
   B. current in one conductor
   C. product of current in two conductors
   D. distance between the conductors

9. The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is________________?

   A. proportional to 7
   B. proportional to X
   C. proportional to distance between the conductors
   D. inversely proportional to I

10. 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