electric flux
Created on 27th February 2025
Grade level: Grade 12th grade
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10 Questions
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Questions (10)
1. What is the electric flux through a closed surface when no electric field lines penetrate the surface?
Zero
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2. If the electric field is uniform and directed perpendicularly to a surface of area A, how is the electric flux (Φ) through the surface calculated?
Φ = E × A
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3. Which of the following factors does NOT affect the electric flux through a surface?
The shape of the surface
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4. What is the unit of electric flux in the International System of Units (SI)?
Newton meter² per coulomb (N·m²/C)
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5. According to Gauss's Law, how is the total electric flux through a closed surface related to the enclosed charge?
It is directly proportional to the enclosed charge
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6. If the electric field strength is doubled, what happens to the electric flux through a surface area held constant?
It doubles
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7. What happens to the electric flux if the angle between the electric field and the normal to the surface is 90 degrees?
It is zero
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8. The electric flux through a spherical surface surrounding a point charge is dependent on which of the following?
The amount of charge inside the sphere
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9. If the electric field is variable, how does it affect the calculation of electric flux?
It must be integrated over the surface
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10. What is the relationship between electric flux and electric potential in the context of an electric field?
Electric flux is proportional to the change in electric potential
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