Rod Ebonite for Physics Lab With rounded ends; 300 x 12.5 mm.
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Comprises a shallow glass dish 100 x 10 mm & a pair of socket terminals/ electrode holders that clip onto its rim. A compliments of six electrodes is supplied, two point source, two line source & two circular rings of 70 & 35 mm diameter respectively
Small brass plated spheres mounted on curved arms jointed with ebonite insulating handle.
Overall length 250 mm approx.
For demonstrating that an electrical charge resides on the external surface of a conductor. Net with cord on insulating pillar with metal tripod base. Overall height 350 mm approx.
Biots Apparatus for Physics Lab is a spherical conductor on insulating stand with insulated handle, to show that electrostatic charge resides on outer surface
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