Category: Magnetism and Electromagnetism

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

A. non-magnetic materials
B. ferro-magnetic materials
C. paramagnetic materials
D. ferri-magnetic materials

A. ampere-hour
B. watt
C. joule
D. coulomb

A. less than that of disc but in opposite direction
B. equal to that of disc and in the same direction
C. equal to that of disc and in the opposite direction
D. less than that of disc and in the same direction

A. 2500 AT/m
B. 250 AT/m
C. 25 AT/m
D. 2.5 AT/m

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

A. paramagnetic
B. diamagnetic
C. ferromagnetic
D. none of the above

A. The electric intensity is a vector quantity
B. The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point
C. An electric field is defined as a point in space at which an electric charge would experience a force
D. Unit field intensity in the exertion of a force of one newton on a charge of one coulomb

A. strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force
B. uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts
C. both of above
D. none of the above

A. It assures a position right angle to magnetic field
B. It starts rotating
C. It assures a position which follows a line of magnetic flux
D. None of the above