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5. Care and maintenance
Before cleaning the equipment, disconnect it
from its power supply.
Do not clean the unit with volatile solvents or
abrasive cleaners.
Use a soft, damp cloth to clean it.
7.1 Demonstration
waves on a rubber rope and investigating
the dependence of their wavelength on the
frequency and the tension
The following equipment is also required to perform
the experiment:
1 Accessories for rope waves
1 Dynamometer, 5 N
1 Vibration generator
Experiment leads
Set up the waves on a string accessory as in its
manual.
Hang the dynamometer on the holder. If neces-
sary, first calibrate the zero point.
Connect the function generator to the vibration
generator.
Attach the rubber rope to the vibration generator,
pass it under the deflection device then upwards,
and hang it on the dynamometer. Ensure that it
runs as parallel as possible to the base plate.
Apply tension to the rubber rope by moving the
dynamometer.
On the function generator, select the "sine" wave-
form.
Adjust the frequency until 4 vibration loops are
obtained.
The wavelength is now half the length of the cord.
Move the dynamometer higher up the rod until
the tension is four times the previous value.
The band now vibrates with just one peak and one
trough. The wavelength is therefore equal to the length
of the band.
7. Sample experiments
of
standing
transverse
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Should you need to dis-
pose of the equipment
itself, never throw it
away in normal domes-
tic waste. Local regula-
tions for the disposal of
electrical
will apply.
The packaging should be disposed of at local
recycling points.
The following parameters are found to give good re-
sults:
Rope length (= distance from vibration generator to
deflection device): 60 cm, Frequency; approx. 44 Hz,
initial cord tension: 0.5 N.
Rope length: 70 cm, Frequency; approx. 38 Hz, ini-
tial cord tension: 0.5 N.
7.2 Parallel LC resonant circuit
The following equipment is also required to perform
the experiment:
1 Basic Experiment Board
@230V
@115V
1 Function Generator FG 100
@230V
@115V
1 Set of 15 Experiment Leads,
1 mm², 75 cm
1 VinciLab
1 Coach 7, License
1 Voltage Sensor 10 V,
differential
1 Current Sensor 500 mA
Set up and perform the experiment according to in-
struction (8000652, UE3050400)
.
4
6. Disposal
equipment
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1000572
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