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

Question 1

T6A01 (B) What electrical component opposes the flow of current in a DC circuit?

Answer 1

B. Resistor

Question 2

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

Answer 2

C. Potentiometer

Question 3

T6A03 (B) What electrical parameter is controlled by a potentiometer?

Answer 3

B. Resistance

Question 4

T6A04 (B) What electrical component stores energy in an electric field?

Answer 4

B. Capacitor

Question 5

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

Answer 5

D. Capacitor

Question 6

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

Answer 6

C. Inductor

Question 7

T6A07 (D) What electrical component usually is constructed as a coil of wire?

Answer 7

D. Inductor

Question 8

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

Answer 8

B. Switch

Question 9

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

Answer 9

A. Fuse

Question 10

T6A10 (D) Which of the following battery types is rechargeable?

Answer 10

A. Nickel-metal hydride B. Lithium-ion C. Lead-acid gel-cell D. All of these choices are correct

Question 11

T6A11 (B) Which of the following battery types is not rechargeable?

Answer 11

B. Carbon-zinc

Question 12

T6B01 (D) What class of electronic components uses a voltage or current signal to control current flow?

Answer 12

D. Transistors

Question 13

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

Answer 13

C. Diode

Question 14

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

Answer 14

C. Transistor

Question 15

T6B04 (B) Which of the following components can consist of three layers of semiconductor material?

Answer 15

B. Transistor

Question 16

T6B05 (A) Which of the following electronic components can amplify signals?

Answer 16

A. Transistor

Question 17

T6B06 (B) How is the cathode lead of a semiconductor diode often marked on the package?

Answer 17

B. With a stripe

Question 18

T6B07 (B) What does the abbreviation LED stand for?

Answer 18

B. Light Emitting Diode

Question 19

T6B08 (A) What does the abbreviation FET stand for?

Answer 19

A. Field Effect Transistor

Question 20

T6B09 (C) What are the names of the two electrodes of a diode?

Answer 20

C. Anode and cathode

Question 21

T6B10 (B) Which of the following could be the primary gain-producing component in an RF power amplifier?

Answer 21

B. Transistor

Question 22

T6B11 (A) What is the term that describes a device’s ability to amplify a signal?

Answer 22

A. Gain

Question 23

T6C01 (C) What is the name of an electrical wiring diagram that uses standard component symbols?

Answer 23

C. Schematic

Question 24

T6C02 (A) What is component 1 in figure T1?

Answer 24

A. Resistor

Question 25

T6C03 (B) What is component 2 in figure T1?

Answer 25

B. Transistor

Question 26

T6C04 (C) What is component 3 in figure T1?

Answer 26

C. Lamp

Question 27

T6C05 (C) What is component 4 in figure T1?

Answer 27

C. Battery

Question 28

T6C06 (B) What is component 6 in figure T2?

Answer 28

B. Capacitor

Question 29

T6C07 (D) What is component 8 in figure T2?

Answer 29

D. Light emitting diode

Question 30

T6C08 (C) What is component 9 in figure T2?

Answer 30

C. Variable resistor

Question 31

T6C09 (D) What is component 4 in figure T2?

Answer 31

D. Transformer

Question 32

T6C10 (D) What is component 3 in figure T3?

Answer 32

D. Variable inductor

Question 33

T6C11 (A) What is component 4 in figure T3?

Answer 33

A. Antenna

Question 34

T6C12 (A) What do the symbols on an electrical schematic represent?

Answer 34

A. Electrical components

Question 35

T6C13 (C) Which of the following is accurately represented in electrical schematics?

Answer 35

C. The way components are interconnected

Question 36

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

Answer 36

B. Rectifier

Question 37

T6D02 (A) What is a relay?

Answer 37

A. An electrically-controlled switch

Question 38

T6D03 (A) What type of switch is represented by component 3 in figure T2?

Answer 38

A. Single-pole single-throw

Question 39

T6D04 (C) Which of the following displays an electrical quantity as a numeric value?

Answer 39

C. Meter

Question 40

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

Answer 40

A. Regulator

Question 41

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

Answer 41

B. Transformer

Question 42

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

Answer 42

A. LED

Question 43

T6D08 (D) Which of the following is combined with an inductor to make a tuned circuit?

Answer 43

D. Capacitor

Question 44

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

Answer 44

C. Integrated circuit

Question 45

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

Answer 45

C. Control the flow of current

Question 46

T6D11 (A) Which of the following is a resonant or tuned circuit?

Answer 46

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

Question 47

T6D12 (C) Which of the following is a common reason to use shielded wire?

Answer 47

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