Television Display Systems – 1 – 3

11. Which colour tube has the maximum transparency for the beam to reach the screen ?

(a) Delta gun
(b) PIL
(c) Trintron
(d) None of these

ANSWER

EXPLANATION

12. A Trintron colour picture tube employs :

(a) Three-in-line cathode beam
(b) Acommon electron gun
(c) Three separate electron gun
(d) a and b

ANSWER

EXPLANATION

13. Phosphors glow if electron hitting them are of :

(a) High velocity
(b) Low velocity
(c) Zero velocity
(d) None of these

ANSWER

EXPLANATION

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