A. weber
B. lumens
C. tesla
D. none of the above
Which of the following is the unit of magnetic flux density ? Read More »
Magnetism and Electromagnetism A. meter is surrounded by strong magnetic fields
B. a soft iron shielding is used
C. a plastic shielding is provided
D. a shielding of anon-magnetic material is used
A. ferromagnetic materials
B. ferrites
C. non-ferrous materials
D. diamagnetic materials
The relative permeability is less than unity is case of_____________? Read More »
Magnetism and Electromagnetism A. Maxwell
B. Telsa
C. Weber
D. All of the above
Which of the following is not a unit of flux? Read More »
Magnetism and Electromagnetism A. 1 Wb/mm2
B. 1 Wb/m
C. 1 Wb/m2
D. 1 mWb/m2
One telsa is equal to___________? Read More »
Magnetism and Electromagnetism A. permeance
B. residual magnetism
C. susceptance
D. reluctance
A. Brass
B. Copper
C. Zinc
D. Ebonite
Which of the following is expected to have the maximum permeability ? Read More »
Magnetism and Electromagnetism A. 10 webers
B. 10 webers
C. 10 webers
D. 10 webers
One maxwell is equal to____________? Read More »
Magnetism and Electromagnetism 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. non-magnetic substances
B. diamagnetic substances
C. ferromagnetic substances
D. none of the above
Susceptibility is positive for______________? Read More »
Magnetism and Electromagnetism