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Ham Technician 7/01/2018-6/30/2022 > SUBELEMENT T6 – Electrical components; circuit diagrams; component functions – [4 Exam Questions - 4 Groups] > Flashcards

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

1
Q

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

A

B. Resistor

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2
Q

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

A

C. Potentiometer

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3
Q

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

A

B. Resistance

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4
Q

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

A

B. Capacitor

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5
Q

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

A

D. Capacitor

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6
Q

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

A

C. Inductor

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7
Q

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

A

D. Inductor

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8
Q

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

A

B. Switch

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9
Q

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

A

A. Fuse

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10
Q

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

A

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

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11
Q

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

A

B. Carbon-zinc

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12
Q

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

A

D. Transistors

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13
Q

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

A

C. Diode

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14
Q

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

A

C. Transistor

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15
Q

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

A

B. Transistor

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16
Q

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

A

A. Transistor

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17
Q

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

A

B. With a stripe

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18
Q

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

A

B. Light Emitting Diode

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19
Q

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

A

A. Field Effect Transistor

20
Q

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

A

C. Anode and cathode

21
Q

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

A

B. Transistor

22
Q

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

A

A. Gain

23
Q

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

A

C. Schematic

24
Q

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

A

A. Resistor

25
Q

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

A

B. Transistor

26
Q

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

A

C. Lamp

27
Q

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

A

C. Battery

28
Q

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

A

B. Capacitor

29
Q

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

A

D. Light emitting diode

30
Q

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

A

C. Variable resistor

31
Q

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

A

D. Transformer

32
Q

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

A

D. Variable inductor

33
Q

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

A

A. Antenna

34
Q

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

A

A. Electrical components

35
Q

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

A

C. The way components are interconnected

36
Q

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

A

B. Rectifier

37
Q

T6D02 (A) What is a relay?

A

A. An electrically-controlled switch

38
Q

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

A

A. Single-pole single-throw

39
Q

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

A

C. Meter

40
Q

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

A

A. Regulator

41
Q

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

A

B. Transformer

42
Q

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

A

A. LED

43
Q

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

A

D. Capacitor

44
Q

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

A

C. Integrated circuit

45
Q

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

A

C. Control the flow of current

46
Q

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

A

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

47
Q

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

A

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

Ham Technician 7/01/2018-6/30/2022 (10 decks)

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