WFU Department of Physics Wake Forest University

 

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WFU Physics Lecture Demonstrations

Projection Electroscope

PIRA 5A22.30

Image:

Photo of Demo

Description:

The shadow of an electroscpe can be projected on the wall using a light source. When a charged rod is brought neat the knob of the electroscope, the leaf and the post will have the same charge and thus will repel each other.

Recipe and
Location:

Eelctroscope
Rubber Rod
Wool
Lab Jack
Insulating Stand
Light Source

Video:

Streaming Video:

None

MPG Video:

Projection Electrscope

Real Video:

Projection Electrscope

Notes:

All the electrostatic demos work better in dry weather (winter).

 

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100 Olin Physical Laboratory
Wake Forest University
Winston-Salem, NC 27109-7507
Phone: (336) 758-5337, FAX: (336) 758-6142
E-mail:
wfuphys@wfu.edu