Electricity and
Magnetism > Electromagnetic Radiation
DCS# 5N10.xx
RADIO WAVES
APPARATUS
radio
202-09-E
calculator
202-02-B
VCR remote control
202-09-D5
aluminum foil
202-02-E1
DESCRIPTION
Use an AM radio tuned to a low
frequency
to detect radio waves produced by various things:
calculator, remote control, power cords, laptop, wall
thermostat, lighting control panel. Insert
various materials between emitter and radio to determine which
are
transparent to
radio waves.
