FARADAY’S DISK
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Description
Grab and hold students’ attention with these
interactive and affordable demonstrations that
show core physics concepts in action. Ideal for
jump starting your unit with exciting visual
impact, or for reinforcing key concepts after a
lesson, these apparatus are quick and easy to
set up to save you time in the classroom. Demos
are available for all fundamental physical science
topics, and include detailed instructions.
Students are used to seeing voltage induced by a
coil of wire spun in a magnetic field; now let them
see how a solid disk can produce the same results.
Potential difference is induced as a 15 cm copper
disk is spun through a pair of strong magnets. A
multimeter that can measure in the mV range,
available separately, is required.