ATT Week 5 EXAM QUESTIONS AND
CORRECT ANSWERS|A
GRADE(DOWNLOAD TO SCORE A)
Limiting action happens in series when a diode is________ and in parallel when a diode
is________. - Answers - ✔✔Reverse biased, forward biased.
What is the purpose of a diode limiting circuit? - Answers - ✔✔To limit amplitude of the
input.
What do clampers do? - Answers - ✔✔Add DC to AC signal.
A transistor in a Common Emitter transfers an internal resistance from a low resistance
in emitter base to? - Answers - ✔✔High resistance in collector base.
Ie (Emitter current) = ? - Answers - ✔✔Ib (base current) + Ic (collector current)
When does cutoff occur in a Common Emitter? - Answers - ✔✔When Emitter PN
junction is reversed.
A Common Emitter has a gain of how much? - Answers - ✔✔10
How does a Common Emitter affect the phase of an input signal? - Answers - ✔✔It
inverts the input 180° (flip)
A Common Collector has a gain of how much? - Answers - ✔✔1 (no phase inversion)
A Common Base has a gain of how much? - Answers - ✔✔10 (no phase inversion)
How do transistor amplifiers operate? - Answers - ✔✔By an AC input signal changing
base bias.
The component that develops bias for a transistor part is directly connected to
the_________. - Answers - ✔✔Corresponding transistor part.
In a Common Emitter, if base voltage (base bias) increases, emitter current does what?
- Answers - ✔✔Increases.
A small input controls a__________. - Answers - ✔✔Large output
What is the most common type of Multi-stage Amplifier? - Answers - ✔✔RC (Resistive-
capacitive)
CORRECT ANSWERS|A
GRADE(DOWNLOAD TO SCORE A)
Limiting action happens in series when a diode is________ and in parallel when a diode
is________. - Answers - ✔✔Reverse biased, forward biased.
What is the purpose of a diode limiting circuit? - Answers - ✔✔To limit amplitude of the
input.
What do clampers do? - Answers - ✔✔Add DC to AC signal.
A transistor in a Common Emitter transfers an internal resistance from a low resistance
in emitter base to? - Answers - ✔✔High resistance in collector base.
Ie (Emitter current) = ? - Answers - ✔✔Ib (base current) + Ic (collector current)
When does cutoff occur in a Common Emitter? - Answers - ✔✔When Emitter PN
junction is reversed.
A Common Emitter has a gain of how much? - Answers - ✔✔10
How does a Common Emitter affect the phase of an input signal? - Answers - ✔✔It
inverts the input 180° (flip)
A Common Collector has a gain of how much? - Answers - ✔✔1 (no phase inversion)
A Common Base has a gain of how much? - Answers - ✔✔10 (no phase inversion)
How do transistor amplifiers operate? - Answers - ✔✔By an AC input signal changing
base bias.
The component that develops bias for a transistor part is directly connected to
the_________. - Answers - ✔✔Corresponding transistor part.
In a Common Emitter, if base voltage (base bias) increases, emitter current does what?
- Answers - ✔✔Increases.
A small input controls a__________. - Answers - ✔✔Large output
What is the most common type of Multi-stage Amplifier? - Answers - ✔✔RC (Resistive-
capacitive)
