1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A transistor is operated in common-emitter configuration at VC = 2V such that a change in the base current from 100 $$\mu $$A to 200 $$\mu $$A produces a change in the collector current from 5 mA to 10 mA. The current gain is
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The symbolic representation of four logic gates are given below
The logic symbols for OR, NOT and NAND gates are respectively
The logic symbols for OR, NOT and NAND gates are respectively
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
If the lattice parameter for a crystalline structure is 3.6 $$\mathop A\limits^ \circ $$, then the atomic radius in fcc crystal is
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain without feedback will be
Questions Asked from Semiconductor Electronics (MCQ (Single Correct Answer))
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