WFU Department of Physics Wake Forest University

 

Wake Forest Physics
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WFU Physics Lecture Demonstrations

Jacob's Ladder

PIRA 5D40.10

Image:

Photo of Demo

Description:

A spark will jump between two brass strips, completing the circuit, by conducting through air. Since it is high voltage (about 15,000V), there is a lot of heat produced. This heats the air and the spark will rise with the hot air until it can no longer conduct across the gap.

Recipe and
Location:

Jacob's Ladder
Long Rod
Table Clamp
Transformer

Video:

Streaming Video:

None

MPG Video:

None

Real Video:

None

Notes:

none at this time

 

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Information

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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