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WorksheetsEDC 3
Total questions: 35
Worksheet time: 18mins
In an NPN transistor the P is the
Collector
Base
Emitter
None of the above
A transistor is used in
both current amplifiers and voltage amplifiers
current amplifiers
voltage amplifiers
In a transistor, the arrow always points in the direction of
conventional current flows
electrons flows
voltage flows
The transistor current calculates as
Ie = Ic - Ib
Ie = Ib + Ic
Ib = Ie + Ic
A transistor consists of how many diodes?
1
2
3
4
When a transistor is cut-off, it is operating as
a regulator
open switch
closed switch
linear/amplifier
The base of the transistor is
lightly doped
heavily doped
moderately doped
none of the above
Which one of the following amplifier circuits provides a phase inversion between the input and output signal?
Common Base
Common source
Common collector
Common emitter
Which configuration is the least popular among the 3 fundamental configuration?
Common Base
Common Emitter
Common Collector
None of the above
Identify this transistor switch
Saturation/Closed
Cut-off
Open
None of the above
The input and output signals of a common emitter
amplifier are
in phase
90 degree out of phase
180 degree out of phase
270 degree out of phase
If the transistor operates such that it is either in the saturation or cut-off region, it is operating as
a filter
a switch
a signal amplifier
an emitter follower
The input and output signals of a common emitter
amplifier are
in phase
90 degree out of phase
180 degree out of phase
270 degree out of phase
If the transistor operates such that it is either in the saturation or cut-off region, it is operating as
a filter
a switch
a signal amplifier
an emitter follower
Which one of the following amplifier circuits provides a phase inversion between the input and output signal?
Common Base
Common source
Common collector
Common emitter
What are the names of the terminals X, Y and Z?
X = Base, Y = Collector, Z = Emitter
X = Emitter, Y = Base, Z = Collector
X = Collector, Y = Base, Z = Emitter
X = Collector, Y = Emitter, Z = Base
One function of the transistor is to_____________?
rectify
amplify
limit
control
What is the type of the transistor shown?
PNP
NPN
BJT
What is emitter current Ie of transistor that its Ic=100mA and Ib=100uA?
100.1 mA
1000mA
100 mA
Which statement about a transistor is correct?
Has two electrodes
Acts as a full wave rectifier
Has its own internal energy supply
Functions as an amplifier
The purpose of biasing is to establish a ______
amplification
power source
load line
Q-point
An electronic circuit having the capability to amplify power, voltage or current
transformer
attenuator
amplifier
transistor
An electronic circuit having the capability to amplify power, voltage or current
transformer
attenuator
amplifier
transistor
The output impedance of a BJT transistor amplifier is __________ in nature.
resistive
capacitive
inductive
wireless
A transistor is essentially what?
An output device
An electronic switch
A deivce that limits the flow of power
In which region, the transistor operates.....?
Saturation Region
Cut-off Region
Active Region
None of the above
A transistor is a …………… operated device
Voltage
Both Voltage and Current
Current
None of the Above
C-B Reverse Bias
C-B Reverse Bias
C-B Forward Bias
C-E Forward Bias
In which amplifier the output voltage is equal to the negative sum of all the inputs?
Averaging amplifier
Summing amplifier
Scaling amplifier
All of the mentioned
What is the type of transistor shown in the diagram below?
𝑝𝑛𝑝
𝑛𝑝𝑛
𝑛𝑛𝑝
𝑝𝑝𝑛
𝑝𝑝𝑝
