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Electronics - Set 3
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NUST Entrance Test
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Physics
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Electronics
Set 3
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Mashaal Masha
Oct 16, 2022
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Choose the correct options for the following questions.
The potential barrier across the depletion region in case of silicon and germanium are respectively:
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Difficulty: Easy
A:
0.7 V, 0.3 V
B:
0.3 V, 0.1 V
C:
0.7 V, 0.01 V
D:
0.3 V, 0.7 V
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A potential barrier of 0.7 V exists across p-n junction made from:
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Difficulty: Easy
A:
Germanium
B:
Silicon
C:
Arsenic
D:
Gallium
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