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Video: Electric Field & Electric Field Lines Video Lecture - Physics for JEE Main & Advanced

307 videos|668 docs|262 tests

FAQs on Video: Electric Field & Electric Field Lines Video Lecture - Physics for JEE Main & Advanced

1. What is an electric field?
Ans. An electric field is a physical field that surrounds electrically charged particles and exerts a force on other charged particles within the field. It is represented by electric field lines that indicate the direction and strength of the field.
2. How are electric field lines formed?
Ans. Electric field lines are formed by drawing lines in a way that the tangent to each line at any point gives the direction of the electric field at that point. The density of the lines represents the strength of the electric field, with closer lines indicating a stronger field.
3. What is the significance of electric field lines?
Ans. Electric field lines provide a visual representation of the electric field. They help in understanding the direction and strength of the field at different points in space. The closer the lines, the stronger the field, and vice versa. Electric field lines also demonstrate how electric charges interact with each other.
4. How do electric field lines behave near charged objects?
Ans. Electric field lines always start from positive charges and end on negative charges. Near positive charges, the field lines radiate outward, while near negative charges, the field lines converge inward. The density of the lines indicates the strength of the field, with denser lines indicating a stronger field.
5. Can electric field lines intersect each other?
Ans. No, electric field lines cannot intersect each other. If they were to intersect, it would imply two different directions for the electric field at the same point, which is not possible. The absence of intersections ensures that the direction of the electric field is unique at any given point.
307 videos|668 docs|262 tests
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