BIOTS APPARATUS

BIOTS APPARATUS

• This Biots Apparatus shows how an electrostatic charge resides in the outer surface of a conductor and if it is removed, the inner sphere remains uncharged.
• Comprises a 50mm diameter sphere mounted on an insulated stand with removable outer sphere shells fitted with insulated handle.

(Wikipedia excerpt: ..."Jean-Baptiste Biot was a French physicist, astronomer, and mathematician who co-discovered the Biot–Savart law of magnetostatics with Félix Savart, established the reality of meteorites, made an early balloon flight, and studied the polarization of light. The biot (a CGS unit of electrical current), the mineral biotite, and Cape Biot in eastern Greenland were named in his honour.

Jean-Baptiste Biot made many contributions to the scientific community in his lifetime – most notably in optics, magnetism, and astronomy. In 1804, he used lines of equal magnetic field intensity in an article authored together with the Prussian naturalist Alexander von Humboldt.[10] he Biot–Savart law in magnetism is named after Biot and his colleague Félix Savart for their work in 1820.[11] In their experiment they showed a connection between electricity and magnetism by "starting with a long vertical wire and a magnetic needle some horizontal distance apart [and showing] that running a current through the wire caused the needle to move" (Parsley)..")

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