In order to transfer the greatest charge to the electroscope, its rod is not simply touched with an electrified rod, but is passed over the rod several times, turning the rod all the time around its longitudinal axis. Why?
To transfer the highest charge to the electroscope, a stick is passed along its rod several times. turning the stick all the time around the longitudinal axis. so that as many electrons as possible leave or come to the rod, and the charge is more noticeable.
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