Common static electricity involves charges ranging from nanocoulombs to microcoulombs. (a) How many electrons are needed to form a charge of $-2.00 \textrm{ nC}$ (b) How many electrons must be removed from a neutral object to leave a net charge of $0.500 \textrm{ }\mu\textrm{C}$?
OpenStax College Physics Solution, Chapter 18, Problem 1 (Problems & Exercises) (0:42)
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