Explore topic-wise MCQs in Electromagnetic Theory.

This section includes 11 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.

The bound charge density and free charge density are 12 and 6 units respectively. Calculate the susceptibility.

A. 1
B. 0
C. 2
D. 72
Answer» D. 72
Discussion
2.

THE_SUSCEPTIBILITY_OF_FREE_SPACE_IS?$

A. 1
B. 0
C. 2
D. ‚àû
Answer» C. 2
Discussion
3.

When_the_electric_field_becomes_zero,_which_of_the_following_relations_hold_good?$

A. E = P
B. D = P
C. B = P
D. H = P
Answer» C. B = P
Discussion
4.

The bound charge density and free charge density are 12 and 6 units respectively. Calculate the susceptibility?

A. 1
B. 0
C. 2
D. 72
Answer» D. 72
Discussion
5.

Find the susceptibility of a material whose dielectric constant is 2.26.

A. 1.26
B. 3.26
C. 5.1
D. 1
Answer» B. 3.26
Discussion
6.

Semiconductors possess which type of bonding?

A. Metallic
B. Covalent
C. Ionic
D. Magnetic
Answer» C. Ionic
Discussion
7.

Which of the following properties distinguish a material as conductor, insulator and semiconductor?

A. Free electron charges
B. Fermi level after doping
C. Energy band gap
D. Electron density
Answer» D. Electron density
Discussion
8.

Insulators perform which of the following functions?

A. Conduction
B. Convection
C. Provide electrical insulation
D. Allows current leakage at interfaces
Answer» D. Allows current leakage at interfaces
Discussion
9.

Under the influence of electric field, the dielectric materials will get charged instantaneously. State True/False.

A. True
B. False
Answer» B. False
Discussion
10.

Dielectric constant will be high in

A. Conductors
B. Semiconductors
C. Insulators
D. Superconductors
Answer» D. Superconductors
Discussion
11.

The permittivity is also called

A. Electrostatic energy
B. Dielectric constant
C. Dipole moment
D. Susceptibility
Answer» C. Dipole moment
Discussion