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Understanding Electric Fields and Electrostatic Effects

Electricity and circuits • Static electricity

Key concepts

What you'll likely be quizzed about

  • An electric field is created by charged objects.
  • The strength and direction of the field can be represented by electric field lines, which indicate the direction of the force that a positive test charge would experience.
  • Field lines start on positive charges and end on negative charges.

Flashcards

Test your knowledge with interactive flashcards

What determines the strength of an electric field?

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The strength of an electric field is determined by the amount of charge and the distance from the charge.

Key notes

Important points to keep in mind

Electric fields affect charges regardless of distance, but strength decreases with distance.

Always consider the sign of charges when determining the direction of force.

Equal and opposite charges attract while like charges repel.

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