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Electric Flux Video Lecture | Physics for JEE Main & Advanced
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FAQs on Electric Flux Video Lecture - Physics for JEE Main & Advanced
| 1. What is electric flux? |  |
Ans. Electric flux is a measure of the electric field passing through a given area. It represents the number of electric field lines passing through a surface per unit area.
| 2. How is electric flux calculated? | |
Ans. Electric flux is calculated by taking the dot product of the electric field vector and the area vector. Mathematically, it is given by the formula Φ = E * A * cos(θ), where Φ is the electric flux, E is the electric field strength, A is the area, and θ is the angle between the electric field and the normal to the surface.
| 3. What is the SI unit of electric flux? | |
Ans. The SI unit of electric flux is volt meters squared per coulomb (V.m²/C). It is also commonly expressed as newton meters squared per coulomb (N.m²/C).
| 4. What is the significance of electric flux? | |
Ans. Electric flux helps us understand the strength and distribution of electric fields. It is used in various applications, such as calculating the electric field through a closed surface, determining the electric field due to a charged object, and analyzing the behavior of electric fields in different situations.
| 5. How does the electric flux change with the orientation of the surface? | |
Ans. The electric flux depends on the angle between the electric field and the normal to the surface. If the surface is parallel to the electric field lines, the flux is maximum. If the surface is perpendicular to the electric field lines, the flux is zero. For other orientations, the flux will be intermediate between these two extremes.
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Nov 22, 2024 Last updated |
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