Answer to Question #165797 in Physics for Sarah J

Question

Millikan’s oil drop experiment was replicated in the laboratory. The droplet radius was 7 × 10^-7 m, and the density of the oil was 900 kg m^-3.

The plates were spaced 6 mm apart. When a potential difference of 500 V was applied to the plates, the oil droplet was observed to be stationary.

a) Draw the two plates, and sketch in, to scale, the equipotential lines where V = 200 V and V = 400 V

b) Make a second drawing, and mark in the electric field lines between the plates.

Answer 1

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