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Electronic Devices And Circuits
Exercise: Electronic Devices And Circuits
📂 Electronic Devices And Circuits
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Questions for: Electronic Devices And Circuits
The emission of light is LED due to
A:
emission of holes
B:
emission of electrons
C:
generation of electromagnetic radiations
D:
conversion of heat energy into illumination
Answer:
C
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Which of the following exhibits negative resistance in a portion of its characteristics?
A:
Tunnel diode
B:
Zener diode
C:
JFET
D:
MOSFET and tunnel diode
Answer:
A
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The resistivity of intrinsic semiconductor material is about
A:
10
5
ohm-m
B:
10
3
ohm-m
C:
100 ohm-m
D:
1 ohm-m
Answer:
D
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Post
Transconductance characteristics of JFET depict the relation between
A:
I
D
and V
GS
for different value of V
DS
B:
I
D
and V
DS
for different value of V
GS
C:
V
GS
and V
DS
for different values of I
D
D:
V
DS
and I
D
for different values of V
GS
Answer:
A
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Materials in order of decreasing electrical conductivity are
A:
aluminium, silver, gold, copper
B:
gold, silver, copper, aluminium
C:
copper, silver, gold, aluminium
D:
silver, copper, gold, aluminium
Answer:
D
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