The mode of operation of an electroscope

Article no. P1084400 | Type: Experiments

grades 7-10
10 Minutes
10 Minutes
easy
Pupils

Also part of:

Student Set Electrostatics, TESS advanced Physics

Article no. 15240-88 | Type: Set

Delivery time:
available

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Principle

The pupils should recognize

  • that one can demonstrate electrical charging with an electroscope but that the type of charge is not revealed,
  • that from the extent of pointer swing the strength of the charge can be inferred,
  • that using a known polarity of charge on the electroscope the type of charge of a test body can be determined,
  • that one can discharge the electroscope by touching with the hand.

Benefits

  • Quick and easy experiment for qualitatively understanding of electrostatic phenomena

Tasks

What does an electroscope indicate? Investigate how an electroscope reacts when you touch it with an electrically-charged object and then, afterwards with the hand.

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