Electronics Mechanic Opto Electronics Page-9 Question Bank

41.  What is the full from of IR LED?
IR LED का पूर्ण रूप क्या है?  [NCVT Exam 24]

(A) Internal Resistance Light Emitting Diode
(B) Integrated Resistance Light Emitting Diode
(C) Instant Red Light Emitting Diode
(D) Infrared Light Emitting Diode

42.  What type of biasing is used in LED?
LED में किस प्रकार की बायसिंग का उपयोग किया जाता है?  [NCVT Exam 24]

(A) Zero biased
 जीरो बायस्ड
(B) Feedback biased 
 फीडबैक बायस्ड 
(C) Forward biased
 फॉरवर्ड बायस्ड
(D) Reverse biased
 रिवर्स बायस्ड