Induction: Induced & Permanent Charging

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Static electricity can be generated through: Friction, Conduction, INDUCTION

Induction

INDUCTION involves the movement of electrons in a neutral object when a charged object is brought close to the neutral object. The movement occurs WITHOUT DIRECT CONTACT between objects.

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Induced Charge Separation/ Temporary Charging

  • When a negatively charged rod is brought close to a neutral metal rod, the electrons in the neutral rod move to one side of the object.
  • The electrons move back when the charged object is removed.
  • THIS IS A TEMPORARY CHARGE.
  • There is no change in the number of electrons on the object, so overall THE OBJECT REMAINS NEUTRAL.

Permanent Charging

  • When you take a temporarily charged object and ground it, the charged object retains its charge.
  • This is called permanent charging by induction.

Summary

  • Charging by induction always results in two objects with different charges.
  • The object that induces the charge keeps its original charge, while the object whose charge was induced receives the opposite charge.
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Maryum
Maryum
4 years ago

How do u induce charge in cardboard

Sam A.
Sam A.
5 years ago

Thank you!

Brahm
Brahm
8 years ago

THANK YOU!!! 5 minutes of reading this taught me more than my teacher in TWO DAYS!!!

Shivam
Shivam
Reply to  Brahm
1 year ago

Lol same bro