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HAM Technician class > Ham Tech Class - Set 6 > Flashcards

Ham Tech Class - Set 6 Flashcards

1
Q

What electrical component opposes the flow of current in a DC circuit?

A

B. Resistor - T6A01 (B)

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2
Q

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

A

C. Potentiometer - T6A02 (C)

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3
Q

What electrical parameter is controlled by a potentiometer?

A

B. Resistance - T6A03 (B)

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4
Q

What electrical component stores energy in an electric field?

A

B. Capacitor - T6A04 (B)

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5
Q

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

A

D. Capacitor - T6A05 (D)

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6
Q

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

A

C. Inductor - T6A06 (C)

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7
Q

What electrical component usually is constructed as a coil of wire?

A

D. Inductor - T6A07 (D)

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8
Q

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

A

B. Switch - T6A08 (B)

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9
Q

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

A

A. Fuse - T6A09 (A)

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10
Q

Which of the following battery types is rechargeable?

A

D. All of these choices are correct (A. Nickel-metal hydride, B. Lithium-ion, C. Lead-acid gel-cell) - T6A10 (D)

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11
Q

Which of the following battery types is not rechargeable?

A

B. Carbon-zinc - T6A11 (B)

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12
Q

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

A

D. Transistors - T6B01 (D)

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13
Q

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

A

C. Diode - T6B02 (C)

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14
Q

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

A

C. Transistor - T6B03 (C)

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15
Q

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

A

B. Transistor - T6B04 (B)

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16
Q

Which of the following electronic components can amplify signals?

A

A. Transistor - T6B05 (A)

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17
Q

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

A

B. With a stripe - T6B06 (B)

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18
Q

What does the abbreviation LED stand for?

A

B. Light Emitting Diode - T6B07 (B)

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19
Q

What does the abbreviation FET stand for?

A

A. Field Effect Transistor - T6B08 (A)

20
Q

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

A

C. Anode and cathode - T6B09 (C)

21
Q

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

A

B. Transistor - T6B10 (B)

22
Q

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

A

A. Gain - T6B11 (A)

23
Q

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

A

C. Schematic - T6C01 (C)

24
Q

What is component 1 in figure T1?

A

A. Resistor - T6C02 (A)

25
Q

What is component 2 in figure T1?

A

B. Transistor - T6C03 (B)

26
Q

What is component 3 in figure T1?

A

C. Lamp - T6C04 (C)

27
Q

What is component 4 in figure T1?

A

C. Battery - T6C05 (C)

28
Q

What is component 6 in figure T2?

A

B. Capacitor - T6C06 (B)

29
Q

What is component 8 in figure T2?

A

D. Light emitting diode - T6C07 (D)

30
Q

What is component 9 in figure T2?

A

C. Variable resistor - T6C08 (C)

31
Q

What is component 4 in figure T2?

A

D. Transformer - T6C09 (D)

32
Q

What is component 3 in figure T3?

A

C. Variable capacitor - T6C10 (D)

33
Q

What is component 4 in figure T3?

A

A. Antenna - T6C11 (A)

34
Q

What do the symbols on an electrical schematic represent?

A

A. Electrical components - T6C12 (A)

35
Q

Which of the following is accurately represented in electrical schematics?

A

C. The way components are interconnected - T6C13 (C)

36
Q

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

A

B. Rectifier - T6D01 (B)

37
Q

What is a relay?

A

A. An electrically-controlled switch - T6D02 (A)

38
Q

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

A

A. Single-pole single-throw - T6D03 (A)

39
Q

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

A

C. Meter - T6D04 (C)

40
Q

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

A

A. Regulator - T6D05 (A)

41
Q

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

A

B. Transformer - T6D06 (B)

42
Q

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

A

A. LED - T6D07 (A)

43
Q

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

A

D. Capacitor - T6D08 (D)

44
Q

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

A

C. Integrated circuit - T6D09 (C)

45
Q

What is the function of component 2 in Figure T1?

A

C. Control the flow of current - T6D10 (C)

46
Q

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 - T6D11 (A)

47
Q

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 - T6D12 (C)

HAM Technician class (7 decks)

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