gold-leaf electroscope

gold-leaf electroscope

[′gōld ‚lēf i′lek·trə‚skōp]
(electricity)
An electroscope in which two narrow strips of gold foil or leaf suspended in a glass jar spread apart when charged; the angle between the strips is related to the charge.
References in periodicals archive ?
The pith-ball electroscope and the gold-leaf electroscope are two classical types of electroscope that are still used in physics education to demonstrate the principles of electrostatics.