Department of Physics, Engineering Physics & Astronomy

Department of Physics, Engineering Physics & Astronomy
Department of Physics, Engineering Physics & Astronomy

Tilting Electrometer

Tilting Electrometer

This gold-leaf electrometer can be tilted to set its zero-point against a scale for calibration. Electrometers are charged with a high voltage, which displaces the suspended gold leaf from its rest position. The presence of ionizing radiation (from a radioactive source) discharges the electrometer, causing the gold leaf to return to its rest position. The degree and rate of discharge will be determined by the nature of the radioactive source. This device was constructed locally in the Physics Department's Instrument Shop early in the 20th century.

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