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Electric charge: Fill in symbols of quantities or units
In this exercise your knowledge of the electrical charge will be tested. You have to know what the quantity and units are and choose from: full quantity, complete unit, symbol unit or symbol quantity.Translated by
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Electrical resistance: Enter the correct base units
With the help of these exercises you can practice the units related to the electrical resistance. Here are discussed: charge, resistance, current, voltage and time.Translated by
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Magnetic field: Demonstration
This image fragment of two minutes clarify the origin and significance of the magnetic field lines.
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Pencil Lamp: Practicum
This fragment shows how one hundred seconds with house, garden and a kitchen lamp constructs.
If you have car trouble on the road in the dark, then this technique undoubtedly useful.
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Superconductivity: Meissner Effect II
This 21-second video clip shows how cooling with liquid nitrogen reduces electrical resistance and subsequently generates a magnetic field.
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Superconductivity: Meissner effect
This hundred-second video clip shows how cooling with liquid nitrogen reduces electrical resistance and subsequently generates a magnetic field.
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Electrostatics: Van de Graaff Generator II
This image shows fragment of 320 seconds in an informative and entertaining way the experimental experience with a band generator.
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Lorentz force: Demonstration
This fragment of 230 seconds clarifies how a magnetic field exerts a force on a moving charge.
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Faraday cage: Demonstration with a car
This image fragment of 290 seconds, illustrates how a car acts as a Faraday cage, when a voltage is transferred from 800,000 Volts between the power plant and vehicle.
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Cathode Ray Tube: Magnetic influence
This image fragment of 8 seconds, shows how the presence of a magnet can affect. The electron beam in, for example a television set
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Electric: Practicum II
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