3) All the following are examples of the application of static electricity in the real world EXCEPT:
A: Printers
B: Copying machines
C: Candles
D: Paint sprayers
4) Which of the following are very sensitive to static electricity?
A: Air filters
B: Magnets
C: Electronic chips
D: Dust removal machines
5) Which of the following weather conditions is conducive for static electricity?
A: Dry, non-humid day
B: Rainy, warm day
C: High humid day
D: Cool, non-humid day