PNPN Devices – 51

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51. ________ is(are) example(s) of applications of phototransistors.

(a) Punch-card readers
(b) Lighting control (for example, on highways)
(c) Level indication
(d) All of the above

Answer

Answer : (d)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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555555555561. How many combinations are handled in an LUT? (a) 4 (b) 8 (c) 16 (d) 32
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PNPN Devices - 40
555555555540. What is the typical value of the triggering anode gate for SCS devices? (a) 1.5 mA (b) 150 A (c) 15 A (d) 1 A
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Number Systems - 60
555555555560. The difference of 111 – 001 equals ________. (a) 100 (b) 111 (c) 001 (d) 110
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Number Systems - 59
555555555559. The 1's complement of 10011101 is ________. (a) 01100010 (b) 10011110 (c) 01100001 (d) 01100011
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