Television Camera Tubes » Exercise – 1
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
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- Television Camera Tubes » Exercise - 12. Image orthicon is based on : (a) Photo conduction principle (b) Photo emission principle (c) Any one of two (d) None of these
- Television Camera Tubes » Exercise - 17. 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