Correct Answer is: Both a and b

Antenna and Wave Propagation MCQ Multiple Choice Questions for Practice

Q: 7. .............. is independent of distance

Correct Answer is: radiation intensity

Q: 13. .............. Theorem can be applied to both circuit and field theories

Correct Answer is: Reciprocity theorem

Q: 15. Radiation resistance of antenna is ..............

Correct Answer is: Virtual Resistance

Q: 17. The source of scalar potential is

Correct Answer is: Charge density

Q: 18. The source of vector potential is

Correct Answer is: Current density

Q: 19. R/v is called ..............

Correct Answer is: Propagation delay

Q: 20. Which condition makes coupled equations into uncoupled equations

Correct Answer is: Lorentz gauge

Welcome to the Antenna and Wave Propagation MCQs section, designed for students and exam aspirants to enhance their understanding and prepare effectively for various assessments and interviews.

About Antenna and Wave Propagation MCQ Questions

Antenna and Wave Propagation MCQs cover essential topics such as antenna types, radiation patterns, wave propagation mechanisms, and electromagnetic principles. These questions are carefully crafted to ensure a comprehensive understanding of the subject, making them invaluable for both academic and practical applications.

Why Practice Antenna and Wave Propagation Objective Questions?

Practicing these MCQs offers numerous benefits. They help students and professionals to reinforce their knowledge, prepare for exams and interviews, and gain a deeper understanding of the subject. Regular practice improves problem-solving skills and boosts confidence, ensuring you are well-prepared for any challenge.

Who Should Use These MCQs?

Students preparing for school or college exams
Competitive exam aspirants
Candidates preparing for interviews

Antenna and Wave Propagation MCQ Questions for Practice

1. Antennas convert

Photons to electrons
electrons to photons
Both a and b
none

2. Antennas are of .............. types

Two
four
Infinite
none

3. Which of the following is true

Time changing current radiates
accelerated charges radiates
Both a and b
none

4. Radiation pattern is .............. dimensional quantity

Two
three
Single
none

5. .............. is also called as 3-dB bandwidth

FNBW
HPBW
Both a and b
none

6. One steradian is equal to .............. square degrees

360
180
3283
41253

7. .............. is independent of distance

Poynting vector
radiation intensity
Both a and b
none

8. The minimum value of the directivity of an antenna is……….

Unity
zero
Infinite
none

9. Directivity is inversely proportional to………

HPBW
FNBW
Beam area
Beam width

10. Gain is always .............. than directivity

Greater
lesser
Equal to
none

11. Directivity and Resolution are ..............

Different
same
Both a and b
none

12. Effective aperture is always .............. than Physical aperture.

Higher
lower
Both a and b
none

13. .............. Theorem can be applied to both circuit and field theories

Equality of patterns
Equality of impedance
Equality of effective lengths
Reciprocity theorem

14. Antenna temperature considers .............. parameter into account

Directivity
gain
Beam area
beam efficiency

15. Radiation resistance of antenna is ..............

Physical resistance
Virtual Resistance
Both a and b
none

16. Antenna aperture is same as ..............

Length
width
Area
volume

17. The source of scalar potential is

Charge density
Current density
Both a and b
none

18. The source of vector potential is

Charge density
Current density
Both a and b
none

19. R/v is called ..............

Radiation to voltage ratio
resistance to velocity ratio
Propagation delay
none

20. Which condition makes coupled equations into uncoupled equations

Retarded
Helmholtz
Lorentz gauge
none

21. Alternating current element is given by

I dl
I dl cos?t
I dl sin?t
I

22. .............. potential is used to find the field components of current element

Scalar Potential, V
Vector Potential, A
Both a and b
None