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WorksheetsTransistor as Amplifiers & Switch
Total questions: 12
Worksheet time: 6mins
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
