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Professional Development
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30 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
The value B is ?
lb/le
le/lc
lc/lb
2.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
What about transistor is true?
Ib=lc+le
lc=le+lb
le=lb+lc
3.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
What about transistor is true?
base collector reverse bias+base emitter is forward bias
base collector is forward bias+base emitter is reverse bias
Both base collector and base emitter is reverse Bias
Both base collector and base emitter is forward Bias
4.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
What type of diode
LED
Laser diode
zener diode
zigzag Diode
5.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
What is true about LED?
1.light when current flow in forward bias
2.light when current flow in reverse bias
3.color depends on on dopant
4.no light reverse bias
5.brightness and color depend on dopant material
1,2,3
1,3,4
1,3,5
2,4,5
6.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
According to diagram what diode work on positive cycle?
D1,D2
D3,D4
D2,D3
7.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
LED photo what is true
Flat side is anode
anode and cathode together
flat side is cathode
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