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← Bihar Board Class 12 PYQ
Semiconductor Electronics
Bihar Board Class 12 · Physics · 39 past questions
Topic
p-n junction diode and special diodes
2
Binary number system
1
Doping and extrinsic semiconductors
1
Logic gates and Boolean algebra
1
Semiconductor basics and energy bands
1
Transistors
1
Rectifiers
0
Level
Easy
7
Moderate
0
Tough
0
Year
2026
6
2025
5
2024
7
2023
7
2022
2
2021
5
2019
3
2018
2
2017
3
7 of 39 ·
show all
Q19
2023 Set F
2017
Diode is used as-
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Q20
2023 Set F
The binary equivalent of 25 is
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Q21
2023 Set F
The temperature coefficient of a semi-conductor is
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Q22
2023 Set F
The impurity element used for p-type semiconductor is
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Q23
2023 Set F
→| is the symbol of
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Q24
2023 Set F
Unit of amplification factor of transistor is
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Q25
2023 Set F
Which one of the following logic gates is universal logic gate?
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