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WorksheetsIntroduction to Electronics
Total questions: 10
Worksheet time: 5mins
Valency of carbon
2
3
4
5
Atomic number of silicon
32
14
12
24
Atomic number of Germanium
32
14
12
24
Tick all the Pentavalent elements
Phosphorus
Arsenic
Aluminium
Boron
Germanium
Tick all the Trivalent elements
Phosphorus
Arsenic
Aluminium
Boron
Germanium
What is Intrinsic Semiconductor?
Pure Semiconductor
Impure Semiconductor
Charged Semiconductor
None of these
What is Extrinsic Semiconductor?
Pure Semiconductor
Impure Semiconductor
Charged Semiconductor
None of these
Adding Impurity to a semiconductor is known as
Morphing
Transforming
Doping
Etching
If you add "pentavalent" impurity to intrinsic semiconductor, it becomes
p type semiconductor
n type semiconductor
tetravalent semiconductor
trivalent semiconductor
If you add "trivalent" impurity to intrinsic semiconductor, it becomes
p type semiconductor
n type semiconductor
tetravalent semiconductor
trivalent semiconductor
