24. Electric Force & Field; Gauss' Law
Electric Fields in Capacitors
5:05 minutes
Problem 37
Textbook Question
Textbook QuestionA 0.80-μm-diameter oil droplet is observed between two parallel electrodes spaced 11 mm apart. The droplet hangs motionless if the upper electrode is 20 V more positive than the lower electrode. The density of the oil is 885 kg/m³ . (c) Does the droplet have a surplus or a deficit of electrons? How many?
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