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PASCO PK-9023 EQUIPOTENTIAL AND FIELD MAPPER User Manual

Page 10

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Dipoles of Like Charge

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Questions

How does the field of this configuration compare with
dipoles of opposite charge? (See experiment “Dipoles of
Opposite Charge”.)

What distortion of the field is produced by the large elec-
trode around the perimeter of the paper?

Dipoles of Opposite Charge

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Questions

What is the relation between the direction of a maximum
value field gradient and equipotential line at the same point?
(A geometrical relation is desired.)

What effect does the finite size of the black paper have on
the field?