QUIZ 1. What is true of electrical charges and electrical forces? a. Positive charges attract each other with a force that increases with distance. b. Positive and negative charges attract each other with a force that decreases with distance. c. Positive and negative charges repel each other with a force that increases with distance. d. Negative charges attract each other with a force that decreases with distance. Answer: b. Positive and negative charges attract each other with a force that will decrease with distance. There are just two types of charges, positive and negative with opposites attracting each other. The force of electricity between two things will decrease with the distance between them. 2. What is considered the smallest unit of charge in nature? a. One proton or one electron b. One proton c. One electron d. One coulomb Answer: a. The smallest unit of charge in nature is the charge on one proton or one electron, which have equal charges (although they are opposite in sign). It takes 6.25 x 1018 charges to make a coulomb of charge.
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