Maxwell’s Contributions to the Theory of Electromagnetism (HSC SSCE Physics): Flashcards

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Maxwell's Contributions to the Theory of Electromagnetism
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Scientist who unified electricity, magnetism & light

James Clerk Maxwell

Year Wheatstone measured speed of electricity

1834

Ratio equal to speed of light (constants)

1μ0ε0\frac{1}{\sqrt{\mu_0 \varepsilon_0}}

Physical constant μ0\mu_0

Permeability of free space (magnetic fields)

Physical constant ε0\varepsilon_0

Permittivity of free space (electric fields)

Maxwell's predicted speed of EM waves (m/s)

3.1×1083.1 \times 10^8 m/s

Maxwell's conclusion about nature of light

Light is electromagnetic radiation

Magnetic monopoles (Gauss's law)

Do not exist; field lines always form closed loops

Changing magnetic field creates (Faraday's law)

A changing electric field

Maxwell's addition to Ampère's law

Displacement current

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