SUBELEMENT T6 [4 Exam Questions - 4 Groups] SUBELEMENT T6 – Electrical Components, semiconductors, circuit diagrams, component functions.

SUBELEMENT T6SUBELEMENT T6[4 Exam Questions - 4 Groups][4 Exam Questions - 4 Groups]

SUBELEMENT T6 – Electrical Components, semiconductors, circuit diagrams, component functions

2Microhams 2010 Technician

T6 – Electrical ComponentsT6 – Electrical Components

T6A –T6A – Electrical components, fixed and variable Electrical components, fixed and variable resistors, capacitors, and inductors; fuses, switches, resistors, capacitors, and inductors; fuses, switches, batteriesbatteries

T6B –T6B – Semiconductors; basic principles of diodes and Semiconductors; basic principles of diodes and transistorstransistors

T6C –T6C – Circuit diagrams; schematic symbols Circuit diagrams; schematic symbols

T6D –T6D – Component functions Component functions

T6A01 What electrical component is used T6A01 What electrical component is used to oppose the flow of current in a DC to oppose the flow of current in a DC circuit?circuit?

A.A. InductorInductor

B.B. ResistorResistor

C.C. VoltmeterVoltmeter

D.D. TransformerTransformer

T6A01 What electrical component is used to T6A01 What electrical component is used to oppose the flow of current in a DC circuit?oppose the flow of current in a DC circuit?

A.A. InductorInductor

B.B. ResistorResistorC.C. VoltmeterVoltmeter


T6A02 What type of component is often T6A02 What type of component is often used as an adjustable volume control?used as an adjustable volume control?

A.A. Fixed resistorFixed resistor

B.B. Power resistorPower resistor

C.C. PotentiometerPotentiometer


T6A02 What type of component is often used T6A02 What type of component is often used as an adjustable volume control?as an adjustable volume control?

A.A. Fixed resistorFixed resistor

B.B. Power resistorPower resistor

C.C. PotentiometerPotentiometerD.D. TransformerTransformer

T6A03 What electrical parameter is T6A03 What electrical parameter is controlled by a potentiometer?controlled by a potentiometer?

A.A. InductanceInductance

B.B. ResistanceResistance

C.C. CapacitanceCapacitance

D.D. Field strengthField strength

T6A03 What electrical parameter is controlled T6A03 What electrical parameter is controlled by a potentiometer?by a potentiometer?

A.A. InductanceInductance

B.B. ResistanceResistanceC.C. CapacitanceCapacitance

D.D. Field strengthField strength

T6A04 What electrical component stores T6A04 What electrical component stores energy in an electric field?energy in an electric field?

A.A. ResistorResistor

B.B. CapacitorCapacitor

C.C. InductorInductor

D.D. DiodeDiode

T6A04 What electrical component stores T6A04 What electrical component stores energy in an electric field?energy in an electric field?


B.B. CapacitorCapacitorC.C. InductorInductor

D.D. DiodeDiode

T6A05 What type of electrical component T6A05 What type of electrical component consists of two or more conductive consists of two or more conductive surfaces separated by an insulator?surfaces separated by an insulator?


B.B. PotentiometerPotentiometer

C.C. OscillatorOscillator

D.D. CapacitorCapacitor

T6A05 What type of electrical component T6A05 What type of electrical component consists of two or more conductive surfaces consists of two or more conductive surfaces separated by an insulator?separated by an insulator?



C.C. OscillatorOscillator


T6A06 What type of electrical component T6A06 What type of electrical component stores energy in a magnetic field?stores energy in a magnetic field?




D.D. DiodeDiode

T6A06 What type of electrical component T6A06 What type of electrical component stores energy in a magnetic field?stores energy in a magnetic field?



C.C. InductorInductorD.D. DiodeDiode

T6A07 What electrical component is T6A07 What electrical component is usually composed of a coil of wire?usually composed of a coil of wire?

A.A. SwitchSwitch


C.C. DiodeDiode

D.D. InductorInductor

T6A07 What electrical component is usually T6A07 What electrical component is usually composed of a coil of wire?composed of a coil of wire?

A.A. SwitchSwitch


C.C. DiodeDiode


T6A08 What electrical component is used T6A08 What electrical component is used to connect or disconnect electrical to connect or disconnect electrical circuits?circuits?

A.A. Zener DiodeZener Diode

B.B. SwitchSwitch


D.D. Variable resistorVariable resistor

T6A08 What electrical component is used to T6A08 What electrical component is used to connect or disconnect electrical circuits?connect or disconnect electrical circuits?

A.A. Zener DiodeZener Diode

B.B. SwitchSwitchC.C. InductorInductor

D.D. Variable resistorVariable resistor

T6A09 What electrical component is used T6A09 What electrical component is used to protect other circuit components from to protect other circuit components from current overloads?current overloads?

A.A. FuseFuse


C.C. ShieldShield


T6A09 What electrical component is used to T6A09 What electrical component is used to protect other circuit components from current protect other circuit components from current overloads?overloads?

A.A. FuseFuseB.B. CapacitorCapacitor

C.C. ShieldShield


T6A10 What is the nominal voltage of a T6A10 What is the nominal voltage of a fully charged nickel-cadmium cell?fully charged nickel-cadmium cell?

A.A. 1.0 volts1.0 volts

B.B. 1.2 volts1.2 volts

C.C. 1.5 volts1.5 volts

D.D. 2.2 volts2.2 volts

T6A10 What is the nominal voltage of a fully T6A10 What is the nominal voltage of a fully charged nickel-cadmium cell?charged nickel-cadmium cell?

A.A. 1.0 volts1.0 volts

B.B. 1.2 volts1.2 voltsC.C. 1.5 volts1.5 volts

D.D. 2.2 volts2.2 volts

T6A11 Which battery type is not T6A11 Which battery type is not rechargeable?rechargeable?

A.A. Nickel-cadmiumNickel-cadmium

B.B. Carbon-zincCarbon-zinc

C.C. Lead-acidLead-acid

D.D. Lithium-ionLithium-ion

T6A11 Which battery type is not T6A11 Which battery type is not rechargeable?rechargeable?

A.A. Nickel-cadmiumNickel-cadmium

B.B. Carbon-zincCarbon-zincC.C. Lead-acidLead-acid

D.D. Lithium-ionLithium-ion

T6B01 What class of electronic T6B01 What class of electronic components is capable of using a voltage components is capable of using a voltage or current signal to control current flow?or current signal to control current flow?

A.A. CapacitorsCapacitors

B.B. InductorsInductors

C.C. ResistorsResistors

D.D. TransistorsTransistors

T6B01 What class of electronic components is T6B01 What class of electronic components is capable of using a voltage or current signal to capable of using a voltage or current signal to control current flow?control current flow?

A.A. CapacitorsCapacitors

B.B. InductorsInductors

C.C. ResistorsResistors

D.D. TransistorsTransistors

T6B02 What electronic component allows T6B02 What electronic component allows current to flow in only one direction?current to flow in only one direction?


B.B. FuseFuse

C.C. DiodeDiode

D.D. Driven ElementDriven Element

T6B02 What electronic component allows T6B02 What electronic component allows current to flow in only one direction?current to flow in only one direction?


B.B. FuseFuse

C.C. DiodeDiodeD.D. Driven ElementDriven Element

T6B03 Which of these components can be T6B03 Which of these components can be used as an electronic switch or amplifier?used as an electronic switch or amplifier?

A.A. OscillatorOscillator


C.C. TransistorTransistor

D.D. VoltmeterVoltmeter

T6B03 Which of these components can be T6B03 Which of these components can be used as an electronic switch or amplifier?used as an electronic switch or amplifier?

A.A. OscillatorOscillator


C.C. TransistorTransistorD.D. VoltmeterVoltmeter

T6B04 Which of these components is T6B04 Which of these components is made of three layers of semiconductor made of three layers of semiconductor material?material?

A.A. AlternatorAlternator

B.B. Bipolar junction transistorBipolar junction transistor

C.C. TriodeTriode

D.D. Pentagrid converterPentagrid converter

T6B04 Which of these components is made of T6B04 Which of these components is made of three layers of semiconductor material?three layers of semiconductor material?

A.A. AlternatorAlternator

B.B. Bipolar junction transistorBipolar junction transistorC.C. TriodeTriode

D.D. Pentagrid converterPentagrid converter

T6B05 Which of the following electronic T6B05 Which of the following electronic components can amplify signals?components can amplify signals?

A.A. TransistorTransistor

B.B. Variable resistorVariable resistor

C.C. Electrolytic capacitorElectrolytic capacitor

D.D. Multi-cell batteryMulti-cell battery

T6B05 Which of the following electronic T6B05 Which of the following electronic components can amplify signals?components can amplify signals?

A.A. TransistorTransistorB.B. Variable resistorVariable resistor

C.C. Electrolytic capacitorElectrolytic capacitor

D.D. Multi-cell batteryMulti-cell battery

T6B06 How is a semiconductor diode's T6B06 How is a semiconductor diode's cathode lead usually identified? cathode lead usually identified?

A. With the word “cathode”A. With the word “cathode”

B.B. With a stripeWith a stripe

C.C. With the letter "C"With the letter "C"

D.D. All of these choices are correctAll of these choices are correct

T6B06 How is a semiconductor diode's T6B06 How is a semiconductor diode's cathode lead usually identified? A. With the cathode lead usually identified? A. With the word "cathode"word "cathode"

A. With the word “cathode”A. With the word “cathode”

B.B. With a stripeWith a stripeC.C. With the letter "C"With the letter "C"


T6B07 What does the abbreviation "LED" T6B07 What does the abbreviation "LED" stand for?stand for?

A.A. Low Emission DiodeLow Emission Diode

B.B. Light Emitting DiodeLight Emitting Diode

C.C. Liquid Emission DetectorLiquid Emission Detector

D.D. Long Echo DelayLong Echo Delay

T6B07 What does the abbreviation "LED" T6B07 What does the abbreviation "LED" stand for?stand for?

A.A. Low Emission DiodeLow Emission Diode

B.B. Light Emitting DiodeLight Emitting DiodeC.C. Liquid Emission DetectorLiquid Emission Detector

D.D. Long Echo DelayLong Echo Delay

T6B08 What does the abbreviation "FET" T6B08 What does the abbreviation "FET" stand for?stand for?

A.A. Field Effect TransistorField Effect Transistor

B.B. Fast Electron TransistorFast Electron Transistor

C.C. Free Electron TransitionFree Electron Transition

D.D. Field Emission ThicknessField Emission Thickness

T6B08 What does the abbreviation "FET" T6B08 What does the abbreviation "FET" stand for?stand for?

A.A. Field Effect TransistorField Effect TransistorB.B. Fast Electron TransistorFast Electron Transistor

C.C. Free Electron TransitionFree Electron Transition

D.D. Field Emission ThicknessField Emission Thickness

T6B09 What are the names of the two T6B09 What are the names of the two electrodes of a diode?electrodes of a diode?

A.A. Plus and minusPlus and minus

B.B. Source and drainSource and drain

C.C. Anode and cathodeAnode and cathode

D.D. Gate and baseGate and base

T6B09 What are the names of the two T6B09 What are the names of the two electrodes of a diode?electrodes of a diode?

A.A. Plus and minusPlus and minus

B.B. Source and drainSource and drain

C.C. Anode and cathodeAnode and cathodeD.D. Gate and baseGate and base

T6B10 Which semiconductor component T6B10 Which semiconductor component has an emitter electrode?has an emitter electrode?

A.A. Bipolar transistorBipolar transistor

B.B. Field effect transistorField effect transistor

C.C. Silicon diodeSilicon diode

D.D. Bridge rectifierBridge rectifier

T6B10 Which semiconductor component has T6B10 Which semiconductor component has an emitter electrode?an emitter electrode?

A.A. Bipolar transistorBipolar transistorB.B. Field effect transistorField effect transistor



T6B11 Which semiconductor component T6B11 Which semiconductor component has a gate electrode?has a gate electrode?


B.B. Field effect transistorField effect transistor



T6B11 Which semiconductor component has T6B11 Which semiconductor component has a gate electrode?a gate electrode?


B.B. Field effect transistorField effect transistorC.C. Silicon diodeSilicon diode


T6B12 What is the term that describes a T6B12 What is the term that describes a transistor's ability to amplify a signal?transistor's ability to amplify a signal?

A.A. GainGain

B.B. Forward resistanceForward resistance

C.C. Forward voltage dropForward voltage drop

D.D. On resistanceOn resistance

T6B12 What is the term that describes a T6B12 What is the term that describes a transistor's ability to amplify a signal?transistor's ability to amplify a signal?

A.A. GainGainB.B. Forward resistanceForward resistance

C.C. Forward voltage dropForward voltage drop

D.D. On resistanceOn resistance

T6C01 What is the name for standardized T6C01 What is the name for standardized representations of components in an representations of components in an electrical wiring diagram?electrical wiring diagram?

A.A. Electrical depictionsElectrical depictions

B.B. Grey sketchGrey sketch

C.C. Schematic symbolsSchematic symbols

D.D. Component calloutsComponent callouts

T6C01 What is the name for standardized T6C01 What is the name for standardized representations of components in an electrical representations of components in an electrical wiring diagram?wiring diagram?

A.A. Electrical depictionsElectrical depictions

B.B. Grey sketchGrey sketch

C.C. Schematic symbolsSchematic symbolsD.D. Component calloutsComponent callouts

T6C02 What is component 1 in figure T1?T6C02 What is component 1 in figure T1?


B.B. TransistorTransistor

C.C. BatteryBattery

D.D. ConnectorConnector


A.A. ResistorResistorB.B. TransistorTransistor

C.C. BatteryBattery





C.C. Indicator lampIndicator lamp




B.B. TransistorTransistorC.C. Indicator lampIndicator lamp





C.C. LampLamp

D.D. Ground symbolGround symbol




C.C. LampLampD.D. Ground symbolGround symbol




C.C. BatteryBattery

D.D. Ground symbolGround symbol




C.C. BatteryBatteryD.D. Ground symbolGround symbol




C.C. Regulator ICRegulator IC

D.D. TransistorTransistor



B.B. CapacitorCapacitorC.C. Regulator ICRegulator IC

D.D. TransistorTransistor



B.B. InductorInductor


D.D. Light emitting diodeLight emitting diode



B.B. InductorInductor


D.D. Light emitting diodeLight emitting diode


A.A. Variable capacitorVariable capacitor

B.B. Variable inductorVariable inductor

C.C. Variable resistorVariable resistor

D.D. Variable transformerVariable transformer



B.B. Variable inductorVariable inductor

C.C. Variable resistorVariable resistorD.D. Variable transformerVariable transformer


A.A. Variable inductorVariable inductor

B.B. Double-pole switchDouble-pole switch




A.A. Variable inductorVariable inductor

B.B. Double-pole switchDouble-pole switch




A.A. ConnectorConnector

B.B. MeterMeter

C.C. Variable capacitorVariable capacitor

D.D. Variable inductorVariable inductor


A.A. ConnectorConnector

B.B. MeterMeter

C.C. Variable capacitorVariable capacitor

D.D. Variable inductorVariable inductor


A.A. AntennaAntenna

B.B. TransmitterTransmitter

C.C. Dummy loadDummy load

D.D. GroundGround


A.A. AntennaAntennaB.B. TransmitterTransmitter

C.C. Dummy loadDummy load

D.D. GroundGround

T6C12 What do the symbols on an T6C12 What do the symbols on an electrical circuit schematic diagram electrical circuit schematic diagram represent?represent?

A.A. Electrical componentsElectrical components

B.B. Logic statesLogic states

C.C. Digital codesDigital codes

D.D. Traffic nodesTraffic nodes

T6C12 What do the symbols on an electrical T6C12 What do the symbols on an electrical circuit schematic diagram represent?circuit schematic diagram represent?

A.A. Electrical componentsElectrical componentsB.B. Logic statesLogic states

C.C. Digital codesDigital codes

D.D. Traffic nodesTraffic nodes

T6C13 Which of the following is accurately T6C13 Which of the following is accurately represented in electrical circuit schematic represented in electrical circuit schematic diagrams?diagrams?

A.A. Wire lengthsWire lengths

B.B. Physical appearance of componentsPhysical appearance of components

C.C. The way components are interconnectedThe way components are interconnected


T6C13 Which of the following is accurately T6C13 Which of the following is accurately represented in electrical circuit schematic represented in electrical circuit schematic diagrams?diagrams?

A.A. Wire lengthsWire lengths

B.B. Physical appearance of componentsPhysical appearance of components

C.C. The way components are interconnectedThe way components are interconnectedD.D. All of these choices are correctAll of these choices are correct

T6D01 Which of the following devices or T6D01 Which of the following devices or circuits changes an alternating current circuits changes an alternating current into a varying direct current signal?into a varying direct current signal?

A.A. TransformerTransformer

B.B. RectifierRectifier

C.C. AmplifierAmplifier

D.D. ReflectorReflector

T6D01 Which of the following devices or T6D01 Which of the following devices or circuits changes an alternating current into a circuits changes an alternating current into a varying direct current signal?varying direct current signal?

A.A. TransformerTransformer

B.B. RectifierRectifierC.C. AmplifierAmplifier

D.D. ReflectorReflector

T6D02 What best describes a relay?T6D02 What best describes a relay?

A.A. A switch controlled by an electromagnetA switch controlled by an electromagnet

B.B. A current controlled amplifierA current controlled amplifier

C.C. An optical sensorAn optical sensor

D.D. A pass transistorA pass transistor

T6D02 What best describes a relay?T6D02 What best describes a relay?

A.A. A switch controlled by an electromagnetA switch controlled by an electromagnetB.B. A current controlled amplifierA current controlled amplifier

C.C. An optical sensorAn optical sensor

D.D. A pass transistorA pass transistor

T6D03 What type of switch is represented T6D03 What type of switch is represented by item 3 in figure T2?by item 3 in figure T2?

A.A. Single-pole single-throwSingle-pole single-throw

B.B. Single-pole double-throwSingle-pole double-throw

C.C. Double-pole single-throwDouble-pole single-throw

D.D. Double-pole double-throwDouble-pole double-throw

T6D03 What type of switch is represented by T6D03 What type of switch is represented by item 3 in figure T2?item 3 in figure T2?

A.A. Single-pole single-throwSingle-pole single-throwB.B. Single-pole double-throwSingle-pole double-throw

C.C. Double-pole single-throwDouble-pole single-throw

D.D. Double-pole double-throwDouble-pole double-throw

T6D04 Which of the following can be used T6D04 Which of the following can be used to display signal strength on a numeric to display signal strength on a numeric scale?scale?

A.A. PotentiometerPotentiometer


C.C. MeterMeter

D.D. RelayRelay

T6D04 Which of the following can be used to T6D04 Which of the following can be used to display signal strength on a numeric scale?display signal strength on a numeric scale?

A.A. PotentiometerPotentiometer


C.C. MeterMeterD.D. RelayRelay

T6D05 What type of circuit controls the T6D05 What type of circuit controls the amount of voltage from a power supply?amount of voltage from a power supply?

A.A. RegulatorRegulator

B.B. OscillatorOscillator

C.C. FilterFilter

D.D. Phase inverterPhase inverter

T6D05 What type of circuit controls the T6D05 What type of circuit controls the amount of voltage from a power supply?amount of voltage from a power supply?

A.A. RegulatorRegulatorB.B. OscillatorOscillator

C.C. FilterFilter

D.D. Phase inverterPhase inverter

T6D06 What component is commonly used T6D06 What component is commonly used to change 120V AC house current to a to change 120V AC house current to a lower AC voltage for other uses?lower AC voltage for other uses?


B.B. TransformerTransformer

C.C. TransistorTransistor

D.D. DiodeDiode

T6D06 What component is commonly used to T6D06 What component is commonly used to change 120V AC house current to a lower AC change 120V AC house current to a lower AC voltage for other uses?voltage for other uses?


B.B. TransformerTransformerC.C. TransistorTransistor

D.D. DiodeDiode

T6D07 Which of the following is commonly T6D07 Which of the following is commonly used as a visual indicator?used as a visual indicator?

A.A. LEDLED

B.B. FETFET

C.C. Zener diodeZener diode

D.D. Bipolar transistorBipolar transistor

T6D07 Which of the following is commonly T6D07 Which of the following is commonly used as a visual indicator?used as a visual indicator?

A.A. LEDLEDB.B. FETFET

C.C. Zener diodeZener diode

D.D. Bipolar transistorBipolar transistor

T6D08 Which of the following is used T6D08 Which of the following is used together with an inductor to make a tuned together with an inductor to make a tuned circuit?circuit?


B.B. Zener diodeZener diode



T6D08 Which of the following is used together T6D08 Which of the following is used together with an inductor to make a tuned circuit?with an inductor to make a tuned circuit?


B.B. Zener diodeZener diode



T6D09 What is the name of a device that T6D09 What is the name of a device that combines several semiconductors and combines several semiconductors and other components into one package?other components into one package?

A.A. TransducerTransducer

B.B. Multi-pole relayMulti-pole relay

C.C. Integrated circuitIntegrated circuit


T6D09 What is the name of a device that T6D09 What is the name of a device that combines several semiconductors and other combines several semiconductors and other components into one package?components into one package?

A.A. TransducerTransducer

B.B. Multi-pole relayMulti-pole relay

C.C. Integrated circuitIntegrated circuitD.D. TransformerTransformer

T6D10 What is the function of component T6D10 What is the function of component 2 in Figure T1?2 in Figure T1?

A.A. Give off light when current flows through itGive off light when current flows through it

B.B. Supply electrical energySupply electrical energy

C.C. Control the flow of currentControl the flow of current

D.D. Convert electrical energy into radio wavesConvert electrical energy into radio waves

T6D10 What is the function of component 2 in T6D10 What is the function of component 2 in Figure T1?Figure T1?

A.A. Give off light when current flows through itGive off light when current flows through it

B.B. Supply electrical energySupply electrical energy

C.C. Control the flow of currentControl the flow of currentD.D. Convert electrical energy into radio wavesConvert electrical energy into radio waves

T6D11 Which of the following is a common T6D11 Which of the following is a common use of coaxial cable?use of coaxial cable?

A.A. Carry dc power from a vehicle battery to a mobile Carry dc power from a vehicle battery to a mobile radioradio

B.B. Carry RF signals between a radio and antennaCarry RF signals between a radio and antenna

C.C. Secure masts, tubing, and other cylindrical objects Secure masts, tubing, and other cylindrical objects on towerson towers

D.D. Connect data signals from a TNC to a computerConnect data signals from a TNC to a computer

T6D11 Which of the following is a common T6D11 Which of the following is a common use of coaxial cable?use of coaxial cable?

A.A. Carry dc power from a vehicle battery to a mobile Carry dc power from a vehicle battery to a mobile radioradio

B.B. Carry RF signals between a radio and Carry RF signals between a radio and antennaantennaC.C. Secure masts, tubing, and other cylindrical objects Secure masts, tubing, and other cylindrical objects

on towerson towers

D.D. Connect data signals from a TNC to a computerConnect data signals from a TNC to a computer

97Microhams 2010 Technician

SUBELEMENT T6SUBELEMENT T6[4 exam questions – 4 groups][4 exam questions – 4 groups]

SUBELEMENT T6 [4 Exam Questions - 4 Groups] SUBELEMENT T6 – Electrical Components, semiconductors, circuit diagrams, component functions.

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