#5 Electric Field complete concepts | Class 11 NEB Physics | In Nepali
Physics in Depth・2 minutes read
Electric force of attraction and repulsion exist between opposite and like charges in an electric field, with field lines directed away from positive charges and towards negative charges, respectively, while never intersecting each other. The intensity of the electric field is determined by the force experienced by a positive test charge, with the force being inversely proportional to the square of the distance between charges.
Insights
- The electric force between charges can either attract or repel based on their type, with the electric field pointing away from positive charges and towards negative charges.
- Electric field intensity is measured by the force on a positive test charge, with lines of force originating from positive charges and ending at negative charges, never crossing, and decreasing as the square of the distance between charges increases.
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Recent questions
What is the relationship between opposite charges?
Attraction occurs between opposite charges.
How does repulsion manifest in an electric field?
Repulsion occurs between like charges.
What is the direction of an electric field from positive charges?
Electric field lines emanate away from positive charges.
How is electric field intensity determined?
Electric field intensity is based on the force experienced by a positive test charge.
What is the relationship between electric field intensity and distance?
Electric field intensity is inversely proportional to the square of the distance between charges.
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Summary
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Electric Charges and Fields: Attraction and Repulsion
- Electric force of attraction exists between opposite charges, while repulsion occurs between like charges in an electric field, with the direction of the field being away from positive charges and towards negative charges.
- Electric field intensity is determined by the force experienced by a positive test charge, with electric lines of force emanating from positive charges and terminating in negative charges, never intersecting each other, and the intensity being inversely proportional to the square of the distance between charges.
