Which of the following factors does NOT affect a conductor's resistance? a. thickness (diameter) b. location in a circuit c. material it is made of d. length 15. Which of the following electrical devices acts MOST like a drawbridge? a. circuit breaker b. fuse c. switch d. tag 16. The "work" done by an electrical circuit is called a/an __________. a. resistance b. load c. charge d. insulator 8 17. Which of the following is NOT an effective way to de-energize a circuit? a. installing a fuse b. opening a switch c. removing a component d. tripping a circuit breaker 18. __________ is a difference in electric charge between two points in a circuit. a. Static electricity b. Voltage c. Amperage d. Electrical arcing 19. How many volts is a typical car battery? a. 3 b. 6 c. 9 d. 12 20. If you are on the job and witness someone experiencing electrical shock, and you cannot get to the power source to switch off the circuit, what is your BEST course of action? a. Use your body to force the person away from the source of electricity. b. Inform the foreman or supervisor before taking any other action. c