1. What are the symbols and units for Current, Voltage, and Resistance?
  2. When you build a completed circuit, what are some items you can use, and what are the requirements in order for electricity to flow through it?
  3. What important trick can you use to solve series circuit diagrams with regards to current?
  4. What important trick can you use to solve parallel circuit diagrams with regards to voltage?
  5. What symbols are used to represent resistors and batteries in circuit diagrams?
  6. 100 V of potential is lost across a 25-ohm resistor. How much power is there?
  7. A resistor dissipates 75 W of power and a voltage of 12.4 V; how much current is there?
  8. 200 W of power is “used” by a light bulb that has a 60 V potential loss across it; how much resistance must the light bulb have?
  9. A resistor dissipates 80 W of power with a current of 9.5 A. How much voltage is lost across the resistor?
  10. What happens to current as more resistors are added to a circuit in series?
  11. What happens to current as more resistors are added to a circuit in parallel?
  12. What happens to total resistance as more resistors are added to a circuit in series?
  13. What happens to total resistance as more resistors are added to a circuit in parallel?
  14. Two resistors (18 ohms and 22 ohms) are connected in parallel; what total resistance do they have together?
  15. Three resistors (25 ohms, 30 ohms, and 35 ohms) are connected in series; what total resistance do they have together?
  16. What’s the difference between a closed circuit and an open circuit?
  17. Two light bulbs are connected in series; if you add a third light bulb in series, what will happen to the brightness of the first two light bulbs?
  18. Two light bulbs are connected in parallel; if you add a third light bulb in parallel, what will happen to the brightness of the first two light bulbs?
  19. A 9 V battery is connected to a light bulb and a 2.5 A current is created; how much current would there be if the same light was instead connected to two 9 V batteries?
  20. What happens to the resistance of a wire if the length of that wire is made longer?
  21. What happens to the resistance of a wire if the cross-sectional AREA of the wire is made smaller?
  22. What happens to a string of light bulbs if one light bulb burns out in a string of several series light bulbs? What happens to a string of light bulbs if one light bulb burns out in a string of several parallel light bulbs?