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The direct current generator (with the demonstration motor-generator system)

The direct current generator (with the demonstration motor-generator system)

Item no.: P1433802
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Principle

Turning a coil in the magnetic field generates voltage on its ends (induced voltage). After each half rotation of the coil the voltage changes its sign. If just at this moment the polarity of the coil winding is reversed with the help of a so-called collector, then DC voltage is generated. A light bulb can be operated with the electrical energy generated.

Benefits

  • Demonstrative experiment due to large instruments 
  • Easy and sturdy setup
  • Display of measuring range, kind of current and unit also on the back side

Tasks

  1. Observe the voltage depending on the rotational velocity of the generator.
  2. Observe the current and the brightness of the light bulb depending on the rotational velocity of the generator.

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