Ham Tech Class - Set 6

Question 1

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

Answer 1

B. Resistor - T6A01 (B)

Question 2

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

Answer 2

C. Potentiometer - T6A02 (C)

Question 3

What electrical parameter is controlled by a potentiometer?

Answer 3

B. Resistance - T6A03 (B)

Question 4

What electrical component stores energy in an electric field?

Answer 4

B. Capacitor - T6A04 (B)

Question 5

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

Answer 5

D. Capacitor - T6A05 (D)

Question 6

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

Answer 6

C. Inductor - T6A06 (C)

Question 7

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

Answer 7

D. Inductor - T6A07 (D)

Question 8

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

Answer 8

B. Switch - T6A08 (B)

Question 9

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

Answer 9

A. Fuse - T6A09 (A)

Question 10

Which of the following battery types is rechargeable?

Answer 10

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

Question 11

Which of the following battery types is not rechargeable?

Answer 11

B. Carbon-zinc - T6A11 (B)

Question 12

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

Answer 12

D. Transistors - T6B01 (D)

Question 13

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

Answer 13

C. Diode - T6B02 (C)

Question 14

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

Answer 14

C. Transistor - T6B03 (C)

Question 15

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

Answer 15

B. Transistor - T6B04 (B)

Question 16

Which of the following electronic components can amplify signals?

Answer 16

A. Transistor - T6B05 (A)

Question 17

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

Answer 17

B. With a stripe - T6B06 (B)

Question 18

What does the abbreviation LED stand for?

Answer 18

B. Light Emitting Diode - T6B07 (B)

Question 19

What does the abbreviation FET stand for?

Answer 19

A. Field Effect Transistor - T6B08 (A)

Question 20

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

Answer 20

C. Anode and cathode - T6B09 (C)

Question 21

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

Answer 21

B. Transistor - T6B10 (B)

Question 22

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

Answer 22

A. Gain - T6B11 (A)

Question 23

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

Answer 23

C. Schematic - T6C01 (C)

Question 24

What is component 1 in figure T1?

Answer 24

A. Resistor - T6C02 (A)

Question 25

What is component 2 in figure T1?

Answer 25

B. Transistor - T6C03 (B)

Question 26

What is component 3 in figure T1?

Answer 26

C. Lamp - T6C04 (C)

Question 27

What is component 4 in figure T1?

Answer 27

C. Battery - T6C05 (C)

Question 28

What is component 6 in figure T2?

Answer 28

B. Capacitor - T6C06 (B)

Question 29

What is component 8 in figure T2?

Answer 29

D. Light emitting diode - T6C07 (D)

Question 30

What is component 9 in figure T2?

Answer 30

C. Variable resistor - T6C08 (C)

Question 31

What is component 4 in figure T2?

Answer 31

D. Transformer - T6C09 (D)

Question 32

What is component 3 in figure T3?

Answer 32

C. Variable capacitor - T6C10 (D)

Question 33

What is component 4 in figure T3?

Answer 33

A. Antenna - T6C11 (A)

Question 34

What do the symbols on an electrical schematic represent?

Answer 34

A. Electrical components - T6C12 (A)

Question 35

Which of the following is accurately represented in electrical schematics?

Answer 35

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

Question 36

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

Answer 36

B. Rectifier - T6D01 (B)

Question 37

What is a relay?

Answer 37

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

Question 38

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

Answer 38

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

Question 39

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

Answer 39

C. Meter - T6D04 (C)

Question 40

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

Answer 40

A. Regulator - T6D05 (A)

Question 41

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

Answer 41

B. Transformer - T6D06 (B)

Question 42

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

Answer 42

A. LED - T6D07 (A)

Question 43

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

Answer 43

D. Capacitor - T6D08 (D)

Question 44

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

Answer 44

C. Integrated circuit - T6D09 (C)

Question 45

What is the function of component 2 in Figure T1?

Answer 45

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

Question 46

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 - T6D11 (A)

Question 47

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 - T6D12 (C)