In this video Paul Andersen explains how all objects contain positive and negative charge. Neutral objects contain an equal amount of positive and negative charges. Charged objects have more positive or negative charges. Like charges...

In this video Paul Andersen explains how electric charge is quantized and how the smallest unit of charge is 1.6x10^-19 C, or the elementary charge. Robert Millikan discovered the elementary charge using the oil drop experiment. ...

Millikan's Oil Drop Experiment: A Discovery and Impact
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Experiment
al Setup:
• The experiment involved measuring the force on charged oil droplets suspended between two
metal plates.
• The apparatus...