Television Camera Tubes – 1 – 2

6. An image orthicon camera target is :

(a) Always anode potential stabilised
(b) Always cathode potential stabilised
(c) Either of a and b
(d) None of these

ANSWER
Answer : (b)

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

7. The approximate value of target voltage in a standard vidicon is :

(a) 300 V
(b) 30 V to 40 V
(c) Equal to anode voltage
(d) None of these

ANSWER
Answer : (b)

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

8. Halo is formed in :

(a) Vidicon
(b) Plumbicon
(c) Image orthicon
(d) Newvicon

ANSWER
Answer : (b)

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

9. Target plate of plumbicon consists of :

(a) Antimony
(b) Trisulphide
(c) Selenium tin oxide
(d) Lead oxide

ANSWER
Answer : (d)

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

10. In photo emission the number of electron emitted from the target surface :

(a) Varies directly as the wavelength
(b) Varies directly as the frequency of light
(c) is independent of wavelength
(d) None of these

ANSWER
Answer : (c)

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.

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