Topic T6B Quick Review Audio


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

  1. Capacitors
  2. Inductors
  3. Resistors
  4. Transistors


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

  1. Resistor
  2. Fuse
  3. Diode
  4. Driven element


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

  1. Oscillator
  2. Potentiometer
  3. Transistor
  4. Voltmeter


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

  1. Alternator
  2. Transistor
  3. Triode
  4. Pentagrid converter


Which of the following electronic components can amplify signals?

  1. Transistor
  2. Variable resistor
  3. Electrolytic capacitor
  4. Multi-cell battery


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

  1. With the word "cathode"
  2. With a stripe
  3. With the letter C
  4. With the letter K


What does the abbreviation LED stand for?

  1. Low Emission Diode
  2. Light Emitting Diode
  3. Liquid Emission Detector
  4. Long Echo Delay


What does the abbreviation FET stand for?

  1. Field Effect Transistor
  2. Fast Electron Transistor
  3. Free Electron Transmitter
  4. Frequency Emission Transmitter


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

  1. Plus and minus
  2. Source and drain
  3. Anode and cathode
  4. Gate and base


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

  1. Transformer
  2. Transistor
  3. Reactor
  4. Resistor


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

  1. Gain
  2. Forward resistance
  3. Forward voltage drop
  4. On resistance