1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A common emitter amplifier has a voltage gain of 50, an input impedance of 100 $$\Omega $$ and an output impedance of 200 $$\Omega $$. The power gain of the amplifier 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 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
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength
Questions Asked from Semiconductor Electronics (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
NEET 2024 (Re-Examination) (3)
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AIPMT 2010 Prelims (5)
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AIPMT 2008 (3)
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AIPMT 2006 (3)
AIPMT 2005 (6)
AIPMT 2004 (4)
AIPMT 2003 (4)
AIPMT 2002 (5)
AIPMT 2001 (3)
AIPMT 2000 (3)
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