Demonstrations

Gang Capacitors & Demo Capacitors

Code Number :	5C10.10
Disclaimer:	Reprinted by permission of Dick Berg, University of Maryland, for use on this website. The demonstrations contained and referenced herein are listed for the purposes of cataloging and describing physics demonstrations which should be conducted only under the direction of a trained instructional support professional or physicist. These demonstrations are not presented for the purpose of being conducted by persons unconnected to this Facility and/or persons not consulting with or being supervised by the recognized instructional support professional or physicist and his/her staff. The University is responsible only for those demonstrations carried out using its own equipment using established safety and scheduling policies, and bears no responsibility for those choosing to use this source material for their own purposes. All demonstrations described and contained herein are public domain, and can also be found in reference materials in libraries, bookstores, and electronic sources. Further information regarding legal liability in use of demonstrations and labs will be found on the web site Injuries in School/College Laboratories in USA. The University of Iowa Disclaimers: University of Iowa Disclaimer All Rights Reserved..
Condition :	Good
Principle :	Dependence of Distance & Surface Area For Variable Capacitors
Area of Study :	Electricity & Magnetism
Equipment :	Gang capacitors assorted, Demo capacitors assorted, Capacitor material.
Procedure :	These capacitors are mainly for demonstration so no advanced preparation is required. The capacitor material may be passed around the classroom.

References

Chris Emery, "Printed Circuit Board Capacitors", TPT, Vol. 31, # 4, Apr. 1993, p. 234.

A. P. French, "Are the Textbook Writers Wrong About Capacitors?", TPT, Vol. 31, # 3, Mar. 1993, p. 136.

R. G. Newburgh, "Capacitors, Water Bottles, and Kirchhoff's Loop Rule", TPT, Vol. 31, # 1, Jan. 1993, p. 16.

Raymond P. Mayer and John R. Jeffries, "Capacitor - Hydraulic Analogy", TPT, Vol. 31, # 5, May 1993, p. 260.

A. John Mallinckrodt, "Time Scale", TPT, Vol. 31, # 6, Sept. 1993, p. 325.

Robert A. Morse and Diego Enciso. "The Flexible Capacitor: An Electrostatic Demonstration Using Batteries." TPT, Vol. 30, # 1, p. 22, (Jan. 1992).

Mail Questions and Comments to: Dale Stille