1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
For the given circuit, the input digital signals are applied at the terminals A, B and C. What would be the output at the terminal y?

NEET 2021 Physics - Semiconductor Electronics Question 16 English 1 NEET 2021 Physics - Semiconductor Electronics Question 16 English 2
A
NEET 2021 Physics - Semiconductor Electronics Question 16 English Option 1
B
NEET 2021 Physics - Semiconductor Electronics Question 16 English Option 2
C
NEET 2021 Physics - Semiconductor Electronics Question 16 English Option 3
D
NEET 2021 Physics - Semiconductor Electronics Question 16 English Option 4
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
For transistor action, which of the following statements is correct?
A
Base, emitter and collector regions should have same size.
B
Both emitter junction as well as the collector junction are forwarded biased.
C
The base region must be very thin and lightly doped.
D
Base, emitter and collector regions should have same doping concentrations.
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
The increase in the width of the depletion region in a p-n junction diode is due to :
A
reverse bias only
B
both forward bias and reverse bias
C
increase in forward current
D
forward bias only
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
For the logic circuit shown, the truth table is :
NEET 2020 Phase 1 Physics - Semiconductor Electronics Question 19 English
A
A B Y
0 0 0
0 1 1
1 0 1
1 1 1
B
A B Y
0 0 1
0 1 1
1 0 1
1 1 0
C
A B Y
0 0 1
0 1 0
1 0 0
1 1 0
D
A B Y
0 0 0
0 1 0
1 0 0
1 1 1
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