WFU Department of Physics Wake Forest University

 

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WFU Physics Lecture Demonstrations

Lightning Chooses Rod Over Sphere

PIRA 5B30.30

Image:

Photo of Demo

Description:

A pointed conductor brought close to the charged Van de Graaff will cause lighting to jump. A sphere must be much closer to get the same jump.  This is due to the higher charge/area on the point as compared to the sphere.

Recipe and
Location:

VDG
Pointed Conductor

Video:

Streaming Video:

None

MPG Video:

Pointed Conductor

Real Video:

Pointed Conductor

Notes:

None at this time.

 

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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