FC ATT Week 5 Test
Transistor amplifiers require what type of signal to function? - Answer-DC bias and AC input signals
What changes are necessary for amplification to occur? - Answer-Small change in base voltage, large
change in collector current
What amplifier has the best fidelity? - Answer-class A
What amplifier has the best efficiency? - Answer-class C
When an input is applied across the emitter to base PN Junction, what is the relative resistance? -
Answer-low
When an input is applied across the collector to base PN Junction, What is the relative resistance? -
Answer-high, because it is reverse biased
The purpose of a transistor is to: - Answer-control signals
A cutoff transistor acts like it's: - Answer-open
What type of amplifier configuration has the input applied to the emitter and the output taken from the
collector? - Answer-common base
, To determine the faulty component in a diode limiter or clamper; use ______________ - Answer-
resistance measurements
What happens in a transistor when the saturation point is reached? - Answer-Ic stops increasing
What happens in a transistor when the base voltage reverse biases the emitter to base PN junction? -
Answer-cutoff occurs
_______ is the ratio of Ic/Ie - Answer-Alpha
The capacitor in a clamper circuit has a fast charge path when the diode is ___________ - Answer-
forward biased
In an operating PNP transistor, which PN junction is forward biased and which PN junction is reversed
biased? - Answer-forward Emitter Base, reverse Collector Base
In a NPN transistor, the base DC bias voltage must be: - Answer-positive compared to the emitter
In a PNP transistor, the base DC bias voltage must be: - Answer-negative compared to the emitter
In an operating NPN transistor, which PN junction is forward biased and which PN junction is reverse
biased? - Answer-forward EB, reverse CB
In a ______________ amplifier, when the base voltage increases~ the emitter current increases. -
Answer-common emitter
In a _____________ amplifier, when emitter current increases~ the collector current increases. -
Answer-common emitter
Transistor amplifiers require what type of signal to function? - Answer-DC bias and AC input signals
What changes are necessary for amplification to occur? - Answer-Small change in base voltage, large
change in collector current
What amplifier has the best fidelity? - Answer-class A
What amplifier has the best efficiency? - Answer-class C
When an input is applied across the emitter to base PN Junction, what is the relative resistance? -
Answer-low
When an input is applied across the collector to base PN Junction, What is the relative resistance? -
Answer-high, because it is reverse biased
The purpose of a transistor is to: - Answer-control signals
A cutoff transistor acts like it's: - Answer-open
What type of amplifier configuration has the input applied to the emitter and the output taken from the
collector? - Answer-common base
, To determine the faulty component in a diode limiter or clamper; use ______________ - Answer-
resistance measurements
What happens in a transistor when the saturation point is reached? - Answer-Ic stops increasing
What happens in a transistor when the base voltage reverse biases the emitter to base PN junction? -
Answer-cutoff occurs
_______ is the ratio of Ic/Ie - Answer-Alpha
The capacitor in a clamper circuit has a fast charge path when the diode is ___________ - Answer-
forward biased
In an operating PNP transistor, which PN junction is forward biased and which PN junction is reversed
biased? - Answer-forward Emitter Base, reverse Collector Base
In a NPN transistor, the base DC bias voltage must be: - Answer-positive compared to the emitter
In a PNP transistor, the base DC bias voltage must be: - Answer-negative compared to the emitter
In an operating NPN transistor, which PN junction is forward biased and which PN junction is reverse
biased? - Answer-forward EB, reverse CB
In a ______________ amplifier, when the base voltage increases~ the emitter current increases. -
Answer-common emitter
In a _____________ amplifier, when emitter current increases~ the collector current increases. -
Answer-common emitter
