This exam is only intended for EASA module 4 preparation and not an official EASA questionnaires.
200 Hz
400 Hz
800 Hz
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Base current = collector current - emitter current
Collector current = emitter current - base current
Emitter current = collector current - base current
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40
90
225
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Voltage stabilization
Power rectification
Signal detection
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Very high input impedance and very high voltage gain
Very high input impedance and very low voltage gain
Vey low input impedance and very high voltage gain
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High resistance when switched on
High resistance when switched off
A positive temperature coefficient
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Forward biased and not conducting
Reverse biased and not conducting
Forward biased and conducting
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Anode, cathode, gate
Collector, base, emitter
Collector, gate, emitter
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A and C
A and B
B and D
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Power control
Acting as a voltage reference
Producing a visual indication
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The input is taken to the base and and output is taken from the collector
The input is taken to collector and the output is taken from the emitter
The input is taken to the emitter and the output is taken from the collector
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Less than 10
Between 10 and 40
More than 40
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A thyristor
A PNP transistor
An NPN transistor
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Collector
Depletion region
Enhancement region
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0.2 V
0.6 V
2 V
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Both of its input must be at logic 1
Both of its input must be at logic 0
One or more of its input must be at logic 1
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NAND gate
AND gate
OR gate
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NAND gate
NOR gate
OR gate
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Positive ions
Negative ions
Neutral atoms
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Conductors
Insulators
Semiconductors
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3
4
8
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Conduction...forbidden
Conduction...valence
Valence...forbidden
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Covalent
Metallic
Ionic
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N-type materials
P-type materials
Either N-type and P-type materials
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A positive
A negative
Mass but no
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Ionizing
Bonding
Doping
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Intrinsic material
Positively charged
Negatively charged
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Conductor materials
Insulator materials
Semiconductor materials
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Toward each other
Away from each other
Either direction
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Anode
Cathode
Depletion region
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Majority charge carriers
Minority charge carriers
All electrons
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As a rectifier
In their forward biase mode
In their reverse bias mode
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A forward bias condition
Low resistance
Open circuit
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Tunnel diode
Varactor diode
Zener diode
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Anode is (+) and cathode is (-)
Anode is (-) and cathode is (+)
Depletion region increases
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Depletion region
P-N junction
Enhancement region
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Increase current flow
Decrease current flow
Turn on
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The electron
The hole
Subject to the impurity used
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Base
Emitter
Collector
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Base
Emitter
Collector
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Common base
Common emitter
Common collector
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Common base
Common emitter
Common collector
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Snap into saturation
Turn on
Turn off
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Lead A
Lead B
Lead C
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Lead A
Lead B
Lead C
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Emitter-collector
Collector-base
Emitter-base
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Base
Emitter
Gate
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Forward biased
Reverse biased
Not affected
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