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SUBELEMENT T6 – Electrical components: semiconductors; circuit diagrams; component functions – [4 Exam Questions - 4 Groups]

 

T6A - Electrical components: fixed and variable resistors; capacitors and inductors; fuses; switches; batteries 

 

 

T6A01

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

A. Inductor

B. Resistor

C. Voltmeter

D. Transformer

~~

 

 

T6A02

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

A. Fixed resistor

B. Power resistor

C. Potentiometer

D. Transformer

~~

 

 

T6A03

What electrical parameter is controlled by a potentiometer?

A. Inductance

B. Resistance

C. Capacitance

D. Field strength

~~

 

 

T6A04

What electrical component stores energy in an electric field?

A. Resistor

B. Capacitor

C. Inductor

D. Diode

~~

 

 

T6A05

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

A. Resistor

B. Potentiometer

C. Oscillator

D. Capacitor

~~

 

 

T6A06

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

A. Resistor

B. Capacitor

C. Inductor

D. Diode

~~

 

 

T6A07

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

A. Switch

B. Capacitor

C. Diode

D. Inductor

~~

 

 

T6A08

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

A. Magnetron

B. Switch

C. Thermistor

D. All of these choices are correct

~~

 

 

T6A09

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

A. Fuse

B. Capacitor

C. Inductor

D. All of these choices are correct

~~

 

 

T6A10

Which of the following battery types is rechargeable?

A. Nickel-metal hydride

B. Lithium-ion

C. Lead-acid gel-cell

D. All of these choices are correct

~~

 

 

T6A11

Which of the following battery types is not rechargeable?

A. Nickel-cadmium

B. Carbon-zinc

C. Lead-acid 

D. Lithium-ion

~~

 

 

 

 

 

T6B – Semiconductors: basic principles and applications of solid state devices; diodes and transistors 

 

 

T6B01 

What class of electronic components uses a voltage or current signal to control current flow? 

A. Capacitors 

B. Inductors 

C. Resistors 

D. Transistors 

~~

 

 

T6B02

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

A. Resistor 

B. Fuse 

C. Diode 

D. Driven element 

~~

 

 

T6B03

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

A. Oscillator 

B. Potentiometer 

C. Transistor 

D. Voltmeter 

~~

 

 

T6B04

Which of the following components can consist of three layers of semiconductor material? 

A. Alternator 

B. Transistor 

C. Triode 

D. Pentagrid converter 

~~ 

 

 

T6B05

Which of the following electronic components can amplify signals? 

A. Transistor 

B. Variable resistor 

C. Electrolytic capacitor 

D. Multi-cell battery 

~~ 

 

 

T6B06

How is the cathode lead of a semiconductor diode often marked on the package? 

A. With the word "cathode" 

B. With a stripe 

C. With the letter C 

D. With the letter K 

~~

 

 

T6B07

What does the abbreviation LED stand for? 

A. Low Emission Diode 

B. Light Emitting Diode 

C. Liquid Emission Detector

D. Long Echo Delay 

~~ 

 

 

T6B08 

What does the abbreviation FET stand for? 

A. Field Effect Transistor 

B. Fast Electron Transistor 

C. Free Electron Transmitter 

D. Frequency Emission Transmitter 

~~ 

 

 

T6B09 

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

A. Plus and minus 

B. Source and drain 

C. Anode and cathode 

D. Gate and base 

~~ 

 

 

T6B10 

Which of the following could be the primary gain-producing component in an RF power amplifier? 

A. Transformer 

B. Transistor 

C. Reactor 

D. Resistor 

~~ 

 

 

T6B11

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

A. Gain 

B. Forward resistance 

C. Forward voltage drop 

D. On resistance 

~~ 

 

 

 

T6C - Circuit diagrams; schematic symbols 

 

 

T6C01 

What is the name of an electrical wiring diagram that uses standard component symbols? 

A. Bill of materials 

B. Connector pinout 

C. Schematic 

D. Flow chart 

~~ 

 

 

T6C02 

What is component 1 in figure T1? 

A. Resistor 

B. Transistor 

C. Battery 

D. Connector 

~~ 

 

 

T6C03 

What is component 2 in figure T1? 

A. Resistor 

B. Transistor 

C. Indicator lamp 

D. Connector 

~~ 

 

 

T6C04 

What is component 3 in figure T1? 

A. Resistor 

B. Transistor 

C. Lamp 

D. Ground symbol 

~~ 

 

 

T6C05

What is component 4 in figure T1? 

A. Resistor 

B. Transistor 

C. Battery 

D. Ground symbol 

~~ 

 

 

T6C06 

What is component 6 in figure T2? 

A. Resistor 

B. Capacitor 

C. Regulator IC 

D. Transistor 

~~ 

 

 

T6C07 

What is component 8 in figure T2? 

A. Resistor 

B. Inductor 

C. Regulator IC 

D. Light emitting diode 

~~ 

 

 

T6C08 

What is component 9 in figure T2? 

A. Variable capacitor 

B. Variable inductor 

C. Variable resistor 

D. Variable transformer 

~~ 

 

 

T6C09

What is component 4 in figure T2? 

A. Variable inductor 

B. Double-pole switch 

C. Potentiometer 

D. Transformer 

~~ 

 

 

T6C10 

What is component 3 in figure T3?

A. Connector 

B. Meter 

C. Variable capacitor 

D. Variable inductor 

~~ 

 

 

T6C11 

What is component 4 in figure T3? 

A. Antenna 

B. Transmitter 

C. Dummy load 

D. Ground 

~~ 

 

 

T6C12 

What do the symbols on an electrical schematic represent? 

A. Electrical components 

B. Logic states 

C. Digital codes 

D. Traffic nodes 

~~ 

 

 

T6C13 

Which of the following is accurately represented in electrical schematics? 

A. Wire lengths 

B. Physical appearance of components 

C. The way components are interconnected 

D. All of these choices are correct 

~~ 

 

 

 

 

 

T6D - Component functions: rectification; switches; indicators; power supply components; resonant circuit; shielding; power transformers; integrated circuits 

 

 

T6D01

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

A. Transformer 

B. Rectifier 

C. Amplifier 

D. Reflector 

~~ 

 

 

T6D02

What is a relay? 

A. An electrically-controlled switch 

B. A current controlled amplifier 

C. An optical sensor 

D. A pass transistor 

~~ 

 

 

T6D03  

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

A. Single-pole single-throw 

B. Single-pole double-throw

C. Double-pole single-throw 

D. Double-pole double-throw 

~~ 

 

 

T6D04 

Which of the following displays an electrical quantity as a numeric value? 

A. Potentiometer 

B. Transistor 

C. Meter 

D. Relay 

~~ 

 

 

T6D05 

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

A. Regulator 

B. Oscillator 

C. Filter 

D. Phase inverter 

~~ 

 

 

T6D06 

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

A. Variable capacitor 

B. Transformer 

C. Transistor 

D. Diode 

~~ 

 

 

T6D07 

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

A. LED 

B. FET 

C. Zener diode 

D. Bipolar transistor 

~~ 

 

 

T6D08 

Which of the following is combined with an inductor to make a tuned circuit? 

A. Resistor 

B. Zener diode 

C. Potentiometer 

D. Capacitor 

~~ 

 

 

T6D09 

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

A. Transducer 

B. Multi-pole relay 

C. Integrated circuit 

D. Transformer 

~~

 

 

T6D10 

What is the function of component 2 in Figure T1? 

A. Give off light when current flows through it 

B. Supply electrical energy 

C. Control the flow of current 

D. Convert electrical energy into radio waves 

~~ 

 

 

T6D11 

Which of the following is a resonant or tuned circuit? 

A. An inductor and a capacitor connected in series or parallel to form a filter 

B. A type of voltage regulator 

C. A resistor circuit used for reducing standing wave ratio 

D. A circuit designed to provide high-fidelity audio 

~~ 

 

 

T6D12 

Which of the following is a common reason to use shielded wire? 

A. To decrease the resistance of DC power connections 

B. To increase the current carrying capability of the wire 

C. To prevent coupling of unwanted signals to or from the wire 

D. To couple the wire to other signals 

~~