Reciprocal of permeability is____________?

A. Reluctivity
B. Susceptibility
C. Permittivity
D. Conductance

Which of the following is the unit of magnetic flux density ?

A. Weber
B. Lumens
C. Tesla
D. None of the above

The working of a meter is based on the use of a permanent magnet. In order to protect the meter functioning from stray magnetic fields______________?

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

The relative permeability is less than unity is case of_____________?

A. Ferromagnetic materials
B. Ferrites
C. Non-ferrous materials
D. Diamagnetic materials

Which of the following is not a unit of flux?

A. Maxwell
B. Telsa
C. Weber
D. All of the above

One telsa is equal to___________?

A. 1 wb/mm2
B. 1 wb/m
C. 1 wb/m2
D. 1 mwb/m2

The magnetism left in the iron after exciting field has been removed is known as____________?

A. Permeance
B. Residual magnetism
C. Susceptance
D. Reluctance

Which of the following is expected to have the maximum permeability ?

A. Brass
B. Copper
C. Zinc
D. Ebonite

One maxwell is equal to____________?

A. 10 webers
B. 10 webers
C. 10 webers
D. 10 webers

Out of the following statements, concerning an electric field, which statement is not true ?

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