1
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 25 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
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
The correct Boolean operation represented by the circuit diagram drawn is : NEET 2019 Physics - Semiconductor Electronics Question 31 English
A
OR
B
NAND
C
NOR
D
AND
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
For a p-type semiconductor, which of the following statements is true?
A
Holes are the majority carriers and trivalent atoms are the dopants.
B
Holes are the majority carriers and pentavalent atoms are the dopants.
C
Electrons are the majority carriers and pentavalent atoms are the dopants
D
Electrons are the majority carriers and trivalent atoms are the dopants.
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In the circuit shown in the figure, the input voltage Vi is 20 V, VBE = 0 and VCE = 0. The values of IB , IC and $$\beta $$ are given by NEET 2018 Physics - Semiconductor Electronics Question 28 English
A
IB = 40 $$\mu $$A, IC = 10 mA, $$\beta $$ = 250
B
IB = 25 $$\mu $$A, IC = 5 mA, $$\beta $$ = 200
C
IB = 20 $$\mu $$A, IC = 5 mA, $$\beta $$ = 250
D
IB = 40 $$\mu $$A, IC = 5 mA, $$\beta $$ = 125
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