Exercise: Electronic Devices And Circuits

Questions for: Electronic Devices And Circuits

When avalanche breakdown occurs covalent bonds are not affected.
A:
True
B:
False
C:
D:
Answer: B
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Fermi level is the amount of energy in which
A:
a hole can have at room temperature
B:
an electron can have at room temperature
C:
must be given to an electron move to conduction band
D:
none of the above
Answer: C
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Light dependent resistors are
A:
highly doped semiconductor
B:
intrinsic semiconductor
C:
lightly doped semiconductor
D:
either (a) or (c)
Answer: C
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Forbidden energy gap in germanium at 0 K is about
A:
10 eV
B:
5 eV
C:
2 eV
D:
0.78 eV
Answer: D
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The depletion layer width of Junction
A:
decreases with light doping
B:
is independent of applied voltage
C:
is increased under reverse bias
D:
increases with heavy doping
Answer: C
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