1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
The given truth table is for which logic gate

              $$\matrix{ A & B & Y \cr 1 & 1 & 0 \cr 0 & 1 & 1 \cr 1 & 0 & 1 \cr 0 & 0 & 1 \cr } $$
A
NAND
B
XOR
C
NOR
D
OR.
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
For the given circuit of p-n junction diode which is correct

AIPMT 2002 Physics - Semiconductor Electronics Question 32 English
A
in forward bias the voltage across R is V
B
in reverse bias the voltage across R is V
C
in forward bias the voltage across R is 2V
D
in reverse bias the voltage across R is 2V.
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
The given truth table is for which logic gate

              $$\matrix{ A & B & Y \cr 1 & 1 & 0 \cr 0 & 1 & 1 \cr 1 & 0 & 1 \cr 0 & 0 & 1 \cr } $$
A
NAND
B
XOR
C
NOR
D
OR
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
For a common base circuit if $${{{I_C}} \over {{I_E}}}$$ = 0.98 then current gain for common emitter circuit will be
A
49
B
98
C
4.9
D
25.5.
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