WorksheetsSemiconducting material 2
Total questions: 10
Worksheet time: 5mins
The impure form of a semiconductor is known as
Intrinsic semiconductor
Extrinsic semiconductor
Semiconductor
Conductor
When a pentavalent impurity is added to a pure semiconductor it becomes
P type semiconductor
N type semiconductor
Semiconductor
Intrinsic semiconductor
When a trivalent impurity is added to a pure semiconductor it becomes
N type semiconductor
P type semiconductor
Intrinsic semiconductor
Semi conductor
In n type semiconducting materials the majority charge carriers are
Electrons
Holes
Protons
Neutrons
In a p-type semiconductor, germanium is doped with which of the following?
Nitrogen
Copper
Gallium
Phosphorous
Which of the following parameters can’t be found with Hall Effect?
Polarity
Conductivity
Carrier concentration
Area of the material
How does a semiconductor behave at absolute zero?
Semiconductor
Protection device
Insulator
Conductor
Which of the following is known as indirect band gap semiconductors?
Carbon
Platinum
Nickel
Germanium
Which method can be used to distinguish between the two types of carriers?
Hall effect
Rayleigh method
Doppler effect
Fermi effect
What is the Fermi energy of a n-type semiconductor?
E(F )= (Ev + Ea)/2
E(F)= (Ec + Ed)/2
E(F) = (Ec + Ev)/2
E
