Concept explainers
a. What are electric field lines?
b. How do their directions compare with the direction of the force that acts on a positive test charge in the same region?
(a)
To explain: Electric field lines
Explanation of Solution
Electric field line is introduced by physicist Michael Faraday in 19th century. Electric field lines are a visualize description of the electric field.
(b)
To compare: The direction of electric field with the direction of the force that acts on a positive test charge in the same region.
Explanation of Solution
The direction of electric field tells the direction of force exerted on the small positive charge at that point. In other words the electric field and electric force are in same direction on the small positive charge at that point.
Chapter 33 Solutions
Conceptual Physics: The High School Physics Program
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