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Measurement of the Electric Field of the Earth


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but at a large capacitor on a long
pole is pushed into the open out of the lecture hall know the ballistic galvanometer on the table in the lecture hall
to the the galvanometer is
illuminated when the capacitor is
turned 180 degrees
the ballistic galvanometer indicates a current pulse the capacitor is
rotated back and the current pulse of equal magnitude but opposite
sign is measured From this the electric field of the Earth can be determined
the end of the that
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Title Measurement of the Electric Field of the Earth
Alternative Title Bestimmung des elektrischen Erdfeldes
Title of Series The Physics Experiments of Robert Wichard Pohl (1884 - 1976)
Number of Parts 62
Author Lüders, Klaus
Pohl, Robert Otto
Beuermann, Gustav
Samwer, Konrad
Contributors Stickan, Walter (Redaktion)
Lechner, Kuno (Kamera)
Gerstenberg, Thomas (Ton)
Yousefpour, Abbas (Schnitt)
License CC Attribution - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
DOI 10.3203/IWF/C-14862eng
IWF Signature C 14862
Publisher IWF (Göttingen)
Release Date 2003
Language English
Producer IWF (Göttingen)
Production Year 2003

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IWF Technical Data Video-Clip ; F, 1 min 20 sec

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Subject Area Physics
Abstract The electric field of the earth will be determined. A parallel plate capacitor of area 1 m2 is attached to the end of a long bamboo pole. The capacitor is connected to a ballistic galvanometer calibrated to measure current pulses (charges). On a balcony outside the lecture hall, the capacitor is held with its plates horizontal.
Keywords electricity
electric field
ballistic galvanometer

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