Television Picture Tubes – Exercise – 1

1. Speed of vertical deflection in a picture tube is ………….. the speed of horizontal deflection.

(a) equal to
(b) faster than
(c) slower than
(d) any of these

Answer
Answer : (c)
Explanation
No answer description available for this question. Let us discuss.

2. Which colour tube has the maximum transparency for the beams to reach the screen …………

(a) delta gun
(b) PIL
(c) trinitron
(d) none of these

Answer
Answer : (c)
Explanation
No answer description available for this question. Let us discuss.

3. The most suitable device at present for solid state picture tube is …………..

(a) LED
(b) quartz crystal
(c) silicon
(d) LCD

Answer
Answer : (d)
Explanation
No answer description available for this question. Let us discuss.

4. The first crossover point in a picture tube is between ………….. and …………..

(a) G-1, G-2
(b) G-3, G-4
(c) shadow mask
(d) screen

Answer
Answer : (a)
Explanation
No answer description available for this question. Let us discuss.

5. Phosphors glow if electrons hitting them are of ………….. velocity.

(a) high
(b) low
(c) zero
(d) negative

Answer
Answer : (a)
Explanation
No answer description available for this question. Let us discuss.
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