FC ATT WEEK 5 TEST 2025 LATEST
UPDATE
In a NPN transistor, the base DC bias voltage must be: - ANSWERpositive compared to
the emitter
In a PNP transistor, the base DC bias voltage must be: - ANSWERnegative compared
to the emitter
In an operating NPN transistor, which PN junction is forward biased and which PN
junction is reverse biased? - ANSWERforward EB, reverse CB
In a ______________ amplifier, when the base voltage increases~ the emitter current
increases. - ANSWERcommon emitter
In a _____________ amplifier, when emitter current increases~ the collector current
increases. - ANSWERcommon emitter
In a _____________ amplifier, when the base voltage increases~ the emitter current
increases. - ANSWERcommon collector
In a _____________ amplifier, when base voltage decreases~ output voltage
decreases. - ANSWERcommon collector
In a _____________ amplifier, when the emitter voltage increases~ the emitter to base
forward bias decreases. - ANSWERcommon base
In a ____________ amplifier, when the emitter voltage increases~ the emitter current
decreases. - ANSWERcommon base
Transistor amplifiers require what type of signal to function? - ANSWERDC bias and AC
input signals
What changes are necessary for amplification to occur? - ANSWERSmall change in
base voltage, large change in collector current
What amplifier has the best fidelity? - ANSWERclass A
What amplifier has the best efficiency? - ANSWERclass C
When an input is applied across the emitter to base PN Junction, what is the relative
resistance? - ANSWERlow
When an input is applied across the collector to base PN Junction, What is the relative
resistance? - ANSWERhigh, because it is reverse biased
UPDATE
In a NPN transistor, the base DC bias voltage must be: - ANSWERpositive compared to
the emitter
In a PNP transistor, the base DC bias voltage must be: - ANSWERnegative compared
to the emitter
In an operating NPN transistor, which PN junction is forward biased and which PN
junction is reverse biased? - ANSWERforward EB, reverse CB
In a ______________ amplifier, when the base voltage increases~ the emitter current
increases. - ANSWERcommon emitter
In a _____________ amplifier, when emitter current increases~ the collector current
increases. - ANSWERcommon emitter
In a _____________ amplifier, when the base voltage increases~ the emitter current
increases. - ANSWERcommon collector
In a _____________ amplifier, when base voltage decreases~ output voltage
decreases. - ANSWERcommon collector
In a _____________ amplifier, when the emitter voltage increases~ the emitter to base
forward bias decreases. - ANSWERcommon base
In a ____________ amplifier, when the emitter voltage increases~ the emitter current
decreases. - ANSWERcommon base
Transistor amplifiers require what type of signal to function? - ANSWERDC bias and AC
input signals
What changes are necessary for amplification to occur? - ANSWERSmall change in
base voltage, large change in collector current
What amplifier has the best fidelity? - ANSWERclass A
What amplifier has the best efficiency? - ANSWERclass C
When an input is applied across the emitter to base PN Junction, what is the relative
resistance? - ANSWERlow
When an input is applied across the collector to base PN Junction, What is the relative
resistance? - ANSWERhigh, because it is reverse biased
