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Opto Electronics – 1 – 8

36. When the light increases, the reverse current in a photo-diode :

(a) increases
(b) decreases
(c) is unaffected
(d) none of the above



37. To display the digit 0 in a seven segment display :

(a) A must be lighted
(b) F must be off
(c) G must be on
(d) all segments except G should be lighted



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