Fundamental Physics/Electromagnetism/Electromagnetism Formulas

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Electromagnetic Force[edit | edit source]

  1. Electrostatic force .
  2. Electromotive force .
  3. Electromagnetomotive force .
  4. Electromagnetic force .

Electromagnetic Fields[edit | edit source]

Electric Field .

Electric Field Flux .

Magnetic Field .

Electric Field Flux .

Electromanet Magnetization[edit | edit source]

Permanent Electromagnet Magnetization vector equation

Electromagnetic Oscillation[edit | edit source]

Electromagnetic Oscillation

Electromagnetic Wave Equation

Electromagneti Wave Function

Electromagnetic Wave Radiation

Quantum Physics[edit | edit source]


Particle-Wave Duality


Photon's states

Radiant Photon .
Electric Photon .

Electromagnetism Therems[edit | edit source]

Gauss' Law[edit | edit source]

Gauss's Law in integral form states that the electric flux, , through any closed surface is proportional to the amount of electric charge circumscribed by that surface. 

Coulomb's Law[edit | edit source]

The magnitude of the electrostatic force between two point charges in vacuum is directly proportional to the magnitudes of each charge and inversely proportional to the square of the distance between the charges.

Ampere's Law[edit | edit source]

"Ampere's circuital law" (named after André-Marie Ampère, not directly named after the unit of current), gives the magnetic field in the vicinity of an infinitely long straight wire carrying an electric current. The magnetic field goes in circles around the wire, following a right-hand rule and calculated by

For straight line conductor

For circular loop conductor

For a coil of N circular loop conductor

Lenz's Law[edit | edit source]

Lenz's Law (pronounced /ˈlɛnts/), named after the physicist Emil Lenz who formulated it in 1834 .

The direction of current induced in a conductor by a changing magnetic field due to Faraday's law of induction will be such that it will create a magnetic field that opposes the change that produced it.

The current that profuces magnetic field is

The induced current will create a magnetic field that opposes the change that produced it.

Faraday's Electromagnetic Induction Law[edit | edit source]

Faraday's law states:

The induced electromotive force in any closed circuit is equal to the negative of the time rate of change of the magnetic flux enclosed by the circuit

Faraday's Law, which states that the electromotive force around a closed path is equal to the negative of the time rate of change of magnetic flux enclosed by the path

Applications[edit | edit source]

Straight line conductor[edit | edit source]

Circular loop[edit | edit source]

Coil of N circular loops[edit | edit source]