1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A transistor is operated in common emitter configuration at constant collector voltage VC = 1.5 V such that a change in the base current from 100 $$\mu $$A to 150 $$\mu $$A profuces a change in the collector current from 5 mA to 10 mA. The current gain $$\beta $$ is
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
In a p-n junction photo cell, the value of the photo-electromotive force profuced by monochromatic light is proportional to
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated by energy band gaps represented by (Eg)C, (Eg)si and (Eg)Ge respectively. Which one of the following relationships is true in their case?
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Application of a forward bias to a p-n junction
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