Physics Experiments - SD

Physics Experiments - SD

Demonstration of short physics experiments.

Episodes

Amperage conversion at a transformer

October 5, 2016 • 1 min
In this experiment, low amperage is applied to one side of a transformer, which consists of two coils with a different number of windings and an iron core, while a much higher amperage can be measured on the other side. This current is sufficient to melt a nail.
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Voltage conversion at a transformer

October 5, 2016 • 1 min
In this experiment, low voltage is applied to one side of a transformer, which consists of two coils with a different number of windings and an iron core, while a much higher voltage can be measured on the other side.
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Exploding wire

August 23, 2016
In this experiment, a capacitor and a thin wire are get short-circuited. The current flowing through the wire is strong enough to cause an explosion.
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Maxwell‘s Wheel

August 22, 2016 • 1 min
In this experiment, a Maxwell‘s Wheel rolls down a rail. A force measurement shows that while the wheel is moving, measured gravitational force of the wheel is slightly smaller compared to it‘s resting state. The explanation for this is the force distribution among the vertical acceleration (which is measurable) and the angular acceleration of the wheel.
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Induced voltage in a magnetic field

March 10, 2016 • 1 min
In this experiment, a conductor swing is set in motion within a magnetic field, and the voltage difference at it‘s ends is measured. The electrons in the conductor are shifted periodically due to the Lorentz force while the conductor swings. This works the other way round, too: By applying an electric current to the conductor, the swing is moved sideways.
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Pneumatic Lighter

March 10, 2016 • 49 secs
In this experiment, an oil dabbed cotton wool within an airtight test tube ignites because of heat produced by the adiabatic process running while compressing the air.
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Two coupled pendulums

November 26, 2012 • 5 mins
In this experiment the oscillation of a coupled pendulum can be investigated. The oscillation is measured and examined by using a Fourier transformation.
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Standing wave

November 26, 2012 • 3 mins
A rope, put under tension using a weight, is forced to 12 oscillate. The experiment is performed when different frequencies and weights are applied. This results in different harmonic oscillations.
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High temperature super-conductor

November 26, 2012 • 3 mins
A high-temperature super-conductor is cooled down using liquid nitrogen. When reaching the critical temperature, a magnetic cube lying on top of the super-conductor begins to levitate.
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Electron Beam Deflection

November 26, 2012 • 1 min
An electron beam may be observed inside a Teltron tube. Its direction is changed when modifying the external magnetic field. This forces the electrons on a circular track.
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Dilatometer

November 23, 2012 • 2 mins
To observe the thermal length variation of different materials, hot steam is lead through tubes to heat them up. By using a heat dilatometer the thermal expansion of the tubes is measured.
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Boyle-Mariotte Law

November 23, 2012 • 2 mins
The volume of a tube is expanded stepwise, keeping the temperature constant. In a pV diagram, pressure is depicted as a function of volume.
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Bolt demolition

November 23, 2012 • 2 mins
Cooling down a hot metal rod results in contraction of the rod. Resulting forces can be observed in this experiment.
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Bi-metal coil

November 22, 2012 • 1 min
When a bi-metal coil is heated, both metals expand at different velocities, resulting in an unrolling of the coil.
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Adiabatic Process

November 22, 2012 • 1 min
To avoid heat exchange of a system, the volume of a glass tube has to be changed rapidly. Volume and pressure are depicted within a pV diagram.
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Momentum transfer

June 29, 2011 • 1 min
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Irreversibility

June 29, 2011 • 2 mins
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Monkey shot

June 29, 2011 • 1 min
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Five Coupled Pendulums

October 4, 2010 • 3 mins
The experimental set up consists of five small vehicles which are coupled by springs. For this system, five different eigen modes may be found.
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Superposition

October 4, 2010 • 2 mins
The experimental set up consists of five small vehicles which are coupled by springs. To observe the superposition of oscillations, the pendulum is forced to random oscillation. Using Fourier transformation, it may be seen that this oscillation is a superposition of five frequencies.
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