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Questions and Answers
What does the equation ∮ E • dA = Q / ε represent?
What does the equation ∮ E • dA = Q / ε represent?
- Gauss's Law for electricity (correct)
- Faraday's Law
- Maxwell's equations
- Ampere-Maxwell Law
Which law states that the line integral of the magnetic field B around a closed loop is equal to μi0 times the total current passing through the loop?
Which law states that the line integral of the magnetic field B around a closed loop is equal to μi0 times the total current passing through the loop?
- Maxwell's equations
- Ampere-Maxwell Law (correct)
- Faraday's Law
- Gauss's Law for magnetism
What does the equation ∮ B • dℓ = μi0c + μ0ε0 dΦE / dt represent?
What does the equation ∮ B • dℓ = μi0c + μ0ε0 dΦE / dt represent?
- Ampere-Maxwell Law (correct)
- Gauss's Law for magnetism
- Gauss's Law for electricity
- Faraday's Law
In the electromagnetic spectrum, which type has a wavelength range from 700nm to 400nm?
In the electromagnetic spectrum, which type has a wavelength range from 700nm to 400nm?
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How does light compare to X-rays in terms of their positions in the electromagnetic spectrum?
How does light compare to X-rays in terms of their positions in the electromagnetic spectrum?
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Study Notes
Gauss's Law
- ∮ E • dA = Q / ε represents the total electric flux through a closed surface is proportional to the charge enclosed within the surface.
Ampere's Law
- The line integral of the magnetic field B around a closed loop is equal to μi0 times the total current passing through the loop.
Faraday's Law of Electromagnetic Induction
- ∮ B • dℓ = μi0c + μ0ε0 dΦE / dt represents the relationship between the magnetic field, electric field, and current in a closed loop.
Electromagnetic Spectrum
- Visible light has a wavelength range from 700nm to 400nm.
- Light has a shorter wavelength than X-rays, with X-rays having a shorter wavelength than light, in the electromagnetic spectrum.
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