1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

For the following logic circuit, the truth table is:

NEET 2023 Physics - Semiconductor Electronics Question 15 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 0
1 0 1
1 1 0
C
A B Y
0 0 0
0 1 0
1 0 0
1 1 1
D
A B Y
0 0 1
0 1 1
1 0 1
1 1 0
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

NEET 2022 Phase 2 Physics - Semiconductor Electronics Question 18 English

Identify the equivalent logic gate represented by the given circuit

A
NAND
B
OR
C
NOR
D
AND
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

The incorrect statement about the property of a Zener diode is :

A
p and n regions of Zener diode are heavily doped
B
Zener voltage remains constant at breakdown
C
It is designed to operate under reverse bias
D
Depletion region formed is very wide
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The collector current in a common base amplifier using n-p-n transistor is 24 mA. If 80% of the electrons released by the emitter is accepted by the collector, then the base current is numerically :

A
3 mA and entering the base
B
6 mA and leaving the base
C
3 mA and leaving the base
D
6 mA and entering the base
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