A group of physics students reproduce the Millikan experiment to suspend a charged oil drop (m = 9.7 micrograms) suspended between two parallel plates that are separated by 1.85 cm (as shown). If the students apply an electric potential difference of 11.34 V across the plates, determine the charge on the oil droplet.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.