Quiz #1

  1. What does a resistor do?
  2. What is the difference between a resistor and a fuse?
  3. How does a motor basically work?
  4. What does a voltage regulator do?
  5. Why is connecting one terminal of a battery to the other terminal not a good idea?
  6. How does the robot keep from bumping into walls?  What type of sensors does it use to do this?
  7. What is the difference between AC and DC voltages?  Give an example of each.
  8. What is an advantage our robot has over one that has been built with a more traditional steering systems (four wheels, front two steer the robot?
  9. Which basic voltages are used in digital electronics?
  10. Why does the microcontroller not wired directly to the motors to control their speed?
  11. What voltages are we using for the motors?
  12. Draw the circuit symbol for:
    1. battery
    2. wire
    3. SPST (Single Pole Single Throw) switch
    4. resistor
    5. SPDT (Single Pole Double Throw) switch
  13. What is the resistor of:
    1. air
    2. wire
    3. people
  14. Give 3 reasons for using connectors.
  15. From the discussion of the first day of class, recall the water tank used to illustrate electrical principles.  Give the electrical equivalent of:
    1. The water with stored energy at the top of the hill.
    2. The water flowing.
    3. The pipe used to carry the water.
    4. The equivalent of the faucet (turns water flowing through pipe on or off).