

MCQOPTIONS
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This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Vlsi knowledge and support exam preparation. Choose a topic below to get started.
1. |
Electrons become hot in gallium arsenide when the energy of |
A. | lower valley electrons decreases |
B. | lower valley electrons rises |
C. | higher valley electrons decreases |
D. | higher valley electrons rises |
Answer» C. higher valley electrons decreases | |
2. |
If equivalent direction is not used ______ will be increased. |
A. | ion concentration |
B. | steering angle |
C. | area coverage |
D. | depth distribution |
Answer» E. | |
3. |
The ion is steered ________ of the lattice. |
A. | up the open directions |
B. | down the open directions |
C. | up the closed directions |
D. | down the closed directions |
Answer» C. up the closed directions | |
4. |
_______ influences the properties of GaAs field affect transistor. |
A. | length dependency |
B. | structural dependency |
C. | material dependency |
D. | orientation dependency |
Answer» E. | |
5. |
Which is the lightest p-type dopant? |
A. | beryllium |
B. | magnesium |
C. | silicon |
D. | arsenic |
Answer» B. magnesium | |
6. |
___________ is used for the formation of p-type material. |
A. | beryllium |
B. | magnesium |
C. | beryllium and magnesium |
D. | aluminium |
Answer» D. aluminium | |
7. |
Increase in positive charge ___________ the effective nuclear charge. |
A. | increases |
B. | decreases |
C. | exponentially increases |
D. | does not affect |
Answer» B. decreases | |
8. |
______ is used as the dopant for the formation of n-type material. |
A. | aluminum |
B. | arsenic |
C. | silicon |
D. | gallium |
Answer» D. gallium | |
9. |
______ elements can act as either donors or acceptors. |
A. | group II |
B. | group III |
C. | group IV |
D. | group V |
Answer» D. group V | |