Explore topic-wise MCQs in Electromagnetic Theory.

This section includes 12 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.

Calculate the transmission coefficient of a wave with a reflection coefficient of 0.6a) 0.6b) 1c) 0d) 0.4 10.The phase constant of a wave propagation with frequency of 35 radian/sec and time delay of 7.5 sec is

A. 0.6b) 1c) 0d) 0.4 10.The phase constant of a wave propagation with frequency of 35 radian/sec and time delay of 7.5 sec isa) 4.66
B. 1c) 0d) 0.4 10.The phase constant of a wave propagation with frequency of 35 radian/sec and time delay of 7.5 sec isa) 4.66b) 262.5
C. 0d) 0.4 10.The phase constant of a wave propagation with frequency of 35 radian/sec and time delay of 7.5 sec isa) 4.66b) 262.5c) 46.6
D. 0.4 10.The phase constant of a wave propagation with frequency of 35 radian/sec and time delay of 7.5 sec isa) 4.66b) 262.5c) 46.6d) 26.25View Answer
Answer» E.
Discussion
2.

Find the relative permittivity of the medium having a refractive index of 1.6

A. 0.4
B. 2.56
C. 3.2
D. 4.8
Answer» C. 3.2
Discussion
3.

CALCULATE_THE_TRANSMISSION_COEFFICIENT_OF_A_WAVE_WITH_A_REFLECTION_COEFFICIENT_OF_0.6?$

A. 0.6
B. 1
C. 0
D. 0.4
Answer» E.
Discussion
4.

The_phase_constant_of_a_wave_propagation_with_frequency_of_35_radian/sec_and_time_delay_of_7.5_sec_is$

A. 4.66
B. 262.5
C. 46.6
D. 26.25
Answer» C. 46.6
Discussion
5.

Find the relative permittivity of the medium having a refractive index of 1.?

A. 0.4
B. 2.56
C. 3.2
D. 4.8
Answer» C. 3.2
Discussion
6.

The transmission coefficient of a wave with incident and transmitted electric field of 5 and 5 respectively is

A. 0
B. 1
C. 10
D. 5
Answer» C. 10
Discussion
7.

Find the reflection coefficient of a wave with an incident electric field of 5 units and reflected electric field of 2 units.

A. 2.5
B. 0.4
C. 0.8
D. 1.2
Answer» C. 0.8
Discussion
8.

The Brewster angle is valid for which type of polarisation?

A. S polarised
B. P polarised
C. Elliptical
D. Linear
Answer» C. Elliptical
Discussion
9.

The group delay of a wave with phase constant 2.5 units and frequency of 1.2 radian/sec is

A. 3.7
B. 1.3
C. 3
D. 2.08
Answer» E.
Discussion
10.

In P polarisation, the electric field lies in the same plane as the interface. State True/False.

A. True
B. False
Answer» B. False
Discussion
11.

In S polarisation, the electric field lies in the plane perpendicular to that of the interface. State True/False

A. True
B. False
Answer» B. False
Discussion
12.

The resultant electric field of a wave with Ex = 3 and Ey = 4 will be

A. 7
B. 1
C. 25
D. 5
Answer» E.
Discussion