Electricity
and Magnetism > Electric Fields and Potential
DCS#
5H30.30
LIGHTNING ROD
APPARATUS
lightning rod model
202-18-A
Wimshurst machine
202-18-E-1
DESCRIPTION
Place the sphere between the plates
and charge
the plates using the Wimshurst machine. Sparks will fly between
the
sphere and the top plate. Add the pointed conductor set to the
same
height as the sphere and the sparking will stop.