A _____ is an electronic circuit that converts AC to DC but where the DC output peak value can be greater than the AC input peak value.
Avoltage multiplier
Brectifier
Cclamper
Dclipper
#122
It is the current gain for the common-emitter configuration.
Aalpha
Bbeta
Cdelta
Dgamma
#123
When a factor of a junction transistor is 0.98, the factor would be equivalent to _____ value of transistor's beta.
A49
B60
C20
D38
#124
The holding of one extreme amplitude of the input waveform to a certain amount of potential is called
Aslicing
Blimiting
Crectifying
Dclamping
#125
Clamper is also known as
ADC restorer
Brectifier
Ccharger
Dclipper
#126
What is the reason why a common collector is used for impedance matching?
Aits output impedance is very high
Bits output impedance is very low
Cits input impedance is very low
Dits input impedance is very high
#127
The voltage gain of an emitter follower circuit is
Ahigh
Blow
Cvery high
Dmoderate
#128
The value of a coupling capacitor, Cc in RC coupling is about
A0.01 μF
B0.1 μF
C10 μF
D100 μF
#129
A volt-ampere characteristic curve that describes the relationship of the output voltage of a transistor to its output current at a step input current.
Ainput characteristic
Boutput characteristic
Cload line
Dsaturation curve
#130
The use of _____ coupling is particularly desirable in low level, low noise audio amplifier stages to minimize hum pick up from stray magnetic fields.
Atransformer
Bdirect
CRC
DLC
#131
The way in which the gain of an amplifier varies with the frequency is called
Alogarithmic response
Bfrequency response
Cvoltage response
Dphase response
#132
The maximum rectification efficiency of a half wave rectifier is
A81.2 %
B40.6 %
C20.6 %
D25 %
#133
The maximum rectification efficiency of a full-wave rectifier is
A40.6 %
B81.2 %
C110 %
D92 %
#134
A coupled amplifier which has the major advantage of permitting power to be transformed from the relatively high output impedance of the first stage to the relatively low input impedance of the second stage.
ARC coupling
BTransformer coupling
Cdirect coupling
Dstabilized coupling
#135
The _____ transistor configuration has the highest value of input resistance.
Acommon base
Bcommon emitter
Cemitter-stabilized
Dcommon collector
#136
A method of connecting amplifiers in cascade.
Aconfiguration
Bcoupling
Clink
Dstages
#137
A transistor configuration with the lowest current gain
Acommon base
Bcommon emitter
Ccommon collector
Demitter-follower
#138
How much voltage would you measure across the base-emitter junction of a silicon transistor at class A?
A0 V
B0.3 V
C3.6 V
D0.7 V
#139
In an amplifier, the emitter junction is
Aforward biased
Breverse biased
Cgrounded
Dshorted
#140
A large signal amplifier which is biased so that collector current flow continuously during the complete electrical cycle of the signal as well as when no signal is present.