HAM Technician T6

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



    C.  Resistor
  2. What type of component is often used as an adjustable volume control?



    B.  Potentiometer
  3. What electrical parameter is controlled by a potentiometer?



    A.  Resistance
  4. What electrical component stores energy in an electric field?



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



    A.  Capacitor
  6. What type of electrical component stores energy in a magnetic field?



    C.  Inductor
  7. What electrical component usually is constructed as a coil of wire?



    B.  Inductor
  8. What electrical component is used to connect or disconnect electrical circuits?



    C.  Switch
  9. What electrical component is used to protect other circuit components from current overloads?



    D.  Fuse
  10. Which of the following battery types is rechargeable?



    C.  All of these choices are correct
  11. Which of the following battery types is not rechargeable?



    D.  Carbon-zinc
  12. What class of electronic components uses a voltage or current signal to control current flow?



    B.  Transistors
  13. What electronic component allows current to flow in only one direction?



    C.  Diode
  14. Which of these components can be used as an electronic switch or amplifier?



    A.  Transistor
  15. Which of the following components can consist of three layers of semiconductor material?



    B.  Transistor
  16. Which of the following electronic components can amplify signals?



    C.  Transistor
  17. How is the cathode lead of a semiconductor diode often marked on the package?



    A.  With a stripe
  18. What does the abbreviation LED stand for?



    C.  Light Emitting Diode
  19. What does the abbreviation FET stand for?



    D.  Field Effect Transistor
  20. What are the names of the two electrodes of a diode?



    C.  Anode and cathode
  21. Which of the following could be the primary gain-producing component in an RF power amplifier?



    D.  Transistor
  22. What is the term that describes a device's ability to amplify a signal?



    D.  Gain
  23. What is the name of an electrical wiring diagram that uses standard component symbols?



    A.  Schematic
  24. What is component 1 in figure T1?




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    C.  Resistor
  25. What is component 2 in figure T1?




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    A.  Transistor
  26. What is component 3 in figure T1?




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    C.  Lamp
  27. What is component 4 in figure T1?




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    C.  Battery
  28. What is component 6 in figure T2?




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    D.  Capacitor
  29. What is component 8 in figure T2?




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    C.  Light emitting diode
  30. What is component 9 in figure T2?




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    C.  Variable resistor
  31. What is component 4 in figure T2?




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    B.  Transformer
  32. What is component 3 in figure T3?




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    D.  Variable inductor
  33. What is component 4 in figure T3?




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    D.  Antenna
  34. What do the symbols on an electrical schematic represent?



    C.  Electrical components
  35. Which of the following is accurately represented in electrical schematics?



    D.  The way components are interconnected
  36. Which of the following devices or circuits changes an alternating current into a varying direct current signal?



    B.  Rectifier
  37. What is a relay?



    A.  An electrically-controlled switch
  38. What type of switch is represented by component 3 in figure T2?




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    A.  Single-pole single-throw
  39. Which of the following displays an electrical quantity as a numeric value?



    C.  Meter
  40. What type of circuit controls the amount of voltage from a power supply?



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



    C.  Transformer
  42. Which of the following is commonly used as a visual indicator?



    B.  LED
  43. Which of the following is combined with an inductor to make a tuned circuit?



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



    D.  Integrated circuit
  45. What is the function of component 2 in Figure T1?




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    C.  Control the flow of current
  46. Which of the following is a resonant or tuned circuit?



    C.  An inductor and a capacitor connected in series or parallel to form a filter
  47. Which of the following is a common reason to use shielded wire?



    D.  To prevent coupling of unwanted signals to or from the wire
Author
dcbailo
ID
352969
Card Set
HAM Technician T6
Description
Subelement T6 - Electrical components; circuit diagrams; component functions
Updated