the positive terminal of the battery is connected to p-side and the depletion region becomes thick.
B
the positive terminal of the battery is connected to n-side and the depletion region becomes thin.
C
the positive terminal of the battery is connected to n-side and the depletion region becomes thick.
D
the positive terminal of the battery is connected to p-side and the depletion region becomes thin.
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
The following figure shows a logic gate circuit with two inputs A and B and the output Y. The voltage waveforms of A, B and Y are as given.
The logic gate is
A
NOR gate
B
OR gate
C
AND gate
D
NAND gate
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
For transistor action
(1) Base, emitter and collector regions should have similar size and doping concentrations.
(2) The base region must be vety thin and lightly doped.
(3) The emitter-base junction is forward biased and base-collector junction is reverse biased.
(4) Both the emitter-base junction as well as the base-collector junction are forward biased.
Which one of the following pairs of statements is correct?
A
(4) and (1)
B
(1) and (2)
C
(2) and (3)
D
(3) and (4)
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
To get an output Y = 1 in given circuit which of the following input will be correct ?
