Explore topic-wise MCQs in Electromagnetic Theory.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the electric field intensity of transformer oil (εr = 2 approx) with density 1/4π (in 109 units)

A. 2.5
B. 3.5
C. 4.5
D. 5.5
Answer» D. 5.5
2.

If the radius of a sphere is 1/(4π)m and the electric flux density is 16π units, the total flux is given by,

A. 2
B. 3
C. 4
D. 5
Answer» D. 5
3.

A uniform surface charge of σ = 2 μC/m2, is situated at z = 2 plane. What is the value of flux density at P(1,1,1)m?

A. 10-6
B. -10-6
C. 106
D. -106
Answer» C. 106
4.

FIND_THE_ELECTRIC_FIELD_INTENSITY_OF_TRANSFORMER_OIL_(‚ÂÀ√≠¬¨¬µR_=_2_APPROX)_WITH_DENSITY_1/4‚ÂÀ√¨‚ÀÖ√Ë_(IN_109_UNITS)?$#

A. 2.5
B. 3.5
C. 4.5
D. 5.5
Answer» D. 5.5
5.

IF_THE_RADIUS_OF_A_SPHERE_IS_1/(4‚ÂÀ√¨‚ÀÖ√Ë)M_AND_THE_ELECTRIC_FLUX_DENSITY_IS_16‚ÂÀ√¨‚ÀÖ√Ë_UNITS,_THE_TOTAL_FLUX_IS_GIVEN_BY,?$#

A. 2
B. 3
C. 4
D. 5
Answer» D. 5
6.

Find the flux density of line charge of radius (cylinder is the Gaussian surface) 2m and charge density is 3.14 units?

A. 1
B. 0.75
C. 0.5
D. 0.25
Answer» E.
7.

A uniform surface charge of σ = 2 μC/m2, is situated at z = 2 plane. What is the value of flux density at P(1,1,1)m?$

A. 10<sup>-6</sup>
B. -10<sup>-6</sup>
C. 10<sup>6</sup>
D. -10<sup>6</sup>
Answer» C. 10<sup>6</sup>
8.

Find the flux density of a sheet of charge density 25 units in air.

A. 25
B. 12.5
C. 6.25
D. 3.125
Answer» C. 6.25
9.

The Gaussian surface is

A. Real boundary
B. Imaginary surface
C. Tangential
D. Normal
Answer» C. Tangential
10.

Which of the following correctly states Gauss law?

A. Electric flux is equal to charge
B. Electric flux per unit volume is equal to charge
C. Electric field is equal to charge density
D. Electric flux per unit volume is equal to volume charge density
Answer» E.
11.

The electric flux density is the

A. Product of permittivity and electric field intensity
B. Product of number of flux lines and permittivity
C. Product of permeability and electric field intensity
D. Product of number of flux lines and permeability
Answer» B. Product of number of flux lines and permittivity
12.

Electric flux density in electric field is referred to as

A. Number of flux lines
B. Ratio of flux lines crossing a surface and the surface area
C. Direction of flux at a point
D. Flux lines per unit area
Answer» C. Direction of flux at a point
13.

The lines of force are said to be

A. Real
B. Imaginary
C. Drawn to trace the direction
D. Not significant
Answer» D. Not significant