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Gold Leaf Electroscope

A gold leaf electroscope is used to detect charge. It consists of two parallel strips of thin, flexible gold foil hanging from a vertical metal rod. The electroscope is encased in a glass case on a conducting base.The charge to be tested is applied to a metal plate attached to the top of the rod.

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Specification: AQA Physics (7408), A-level, 3.7.3.2 Electric field strength and 3.7.3.1 Coulomb's law. Topic: Electric Fields.

Key terms in this lesson

Magnetic flux
The product of the magnetic flux density and the area through which the field passes at right angles to it, measured in weber.

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