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  2. List of common physics notations - Wikipedia

    en.wikipedia.org/wiki/List_of_common_physics...

    electric displacement field also called the electric flux density coulomb per square meter (C/m 2) density: kilogram per cubic meter (kg/m 3) diameter: meter (m) distance: meter (m) direction: unitless impact parameter meter (m) differential (e.g. ) varied depending on context

  3. Transient response - Wikipedia

    en.wikipedia.org/wiki/Transient_response

    In electrical engineering specifically, the transient response is the circuit’s temporary response that will die out with time. [1] It is followed by the steady state response, which is the behavior of the circuit a long time after an external excitation is applied.

  4. Electromagnetic propulsion - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_propulsion

    Electromagnetic propulsion (EMP) is the principle of accelerating an object by the utilization of a flowing electrical current and magnetic fields.The electrical current is used to either create an opposing magnetic field, or to charge a field, which can then be repelled.

  5. Acceleration voltage - Wikipedia

    en.wikipedia.org/wiki/Acceleration_voltage

    The acceleration voltage is an important quantity for the design of microwave cavities for particle accelerators. See also shunt impedance. For the special case of an electrostatic field that is surpassed by a particle, the acceleration voltage is directly given by integrating the electric field along its path.

  6. Eddy current - Wikipedia

    en.wikipedia.org/wiki/Eddy_current

    A similar effect is the proximity effect, which is caused by externally induced eddy currents. [ 3 ] An object or part of an object experiences steady field intensity and direction where there is still relative motion of the field and the object (for example in the center of the field in the diagram), or unsteady fields where the currents ...

  7. Abraham–Lorentz force - Wikipedia

    en.wikipedia.org/wiki/Abraham–Lorentz_force

    The Lorentz self-force derived for non-relativistic velocity approximation , is given in SI units by: = ˙ = ˙ = ˙ or in Gaussian units by = ˙. where is the force, ˙ is the derivative of acceleration, or the third derivative of displacement, also called jerk, μ 0 is the magnetic constant, ε 0 is the electric constant, c is the speed of light in free space, and q is the electric charge of ...

  8. Piezoelectric accelerometer - Wikipedia

    en.wikipedia.org/wiki/Piezoelectric_accelerometer

    A description of how a piezoelectric accelerometer works in theory. A piezoelectric accelerometer is an accelerometer that employs the piezoelectric effect of certain materials to measure dynamic changes in mechanical variables (e.g., acceleration, vibration, and mechanical shock).

  9. Electron avalanche - Wikipedia

    en.wikipedia.org/wiki/Electron_avalanche

    A plasma begins with a rare natural 'background' ionization event of a neutral air molecule, perhaps as the result of photoexcitation or background radiation.If this event occurs within an area that has a high potential gradient, the positively charged ion will be strongly attracted toward, or repelled away from, an electrode depending on its polarity, whereas the electron will be accelerated ...