Practical Antennas – 1 – 3

11. Which of the following improves antenna directivity ?

(a) Driven element
(b) Reflector element
(c) Director element
(d) Parasitic element

ANSWER
Answer : (d)

EXPLANATION
No answer description available for this question. Let us discuss.

12. An antenna with unity gain.

(a) rhombic
(b) half-wave dipole
(c) isotropic
(d) whip

ANSWER
Answer : (c)

EXPLANATION
No answer description available for this question. Let us discuss.

13. Discone radiation pattern is ……….. ?

(a) omnidirectional
(b) unidirectional
(c) bidirectional
(d) figure of eight

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

14. What is the theoretical gain of a Hertzian dipole ?

(a) 1.76 dB
(b) 2.15 dB
(c) 3 dB
(d) 0 dB

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

15. The current maximum in a Marconi antenna is found at :

(a) the base of the antenna
(b) the center of the antenna
(c) some point between the base and the center of the antenna
(d) the top of the antenna

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

1 2 3 4

Be a Part of The New & Next

MCQs fb  MCQs G+

Share the Knowledge

GATE Total InfoGATE 2019 BooksFree Notes
IES Total InfoIES 2019 BooksFree Mock tests
JAM Total InfoJAM 2019 BooksEngg Diploma
PSUs Total InfoM Tech Total InfoUGC NET Total Info

General Knowledge Books

McqSeries.com is an online forum for multiple choice questions. This forum would be really-really helpful for those candidates who are preparing for examination conducted by Union Public Service Commission (like Civil Services Examination, Engineering Services Examination, Special Class Railway Apprentice, National Defence Academy, Combined Defence Services, etc.), Staff Selection Commission (like Combined Graduate Level, Junior Engineer, Food Corporation of India etc.), various public sector units (like DRDO, DMRC, BARC, BSNL, ONGC, etc.), Graduate Aptitude Test in Engineering, Indian Institute of Technology Entrance Examination etc. and many other national and state level examination.

Leave a Reply

Your email address will not be published. Required fields are marked *

Shares
GATE, IES & PSUs Total Information & GuidanceCheck Here!
Copy Protected by Chetan's WP-Copyprotect.