Electromagnetism¶
In general, electromagnetism is a fundamental interaction that occurs between particles with electric charge via electromagnetic fields. The studies of electromagnetic phenomena can be divided into Electrostatics, Magnetostatics, and Electrodynamics. Also see Electromagnetic waves.
Links:
Contents:
- Circuits
- Alternating Current
- Components (Circuits)
- Capacitors
- Cavity Resonators
- Coupling parameter of resonator from quality factor
- Coupling parameter of resonator from resistance
- Instantaneous energy of resonator
- Quality factor of loaded resonator from circuit parameters
- Quality resonator of loaded resonator from quality factors
- Quality factor of resonator
- Quality factor of empty rectangular resonator for traverse electric waves
- Quality factor of filled rectangular resonator
- Resonant frequency of rectangular resonator
- Resonant frequency of ring resonator
- Couplers
- Attenuation of three link microwave attenuator
- Admittance of rectangular loop coupler
- Total gain of transistor amplifier
- Impedance of Wilkinson microstrip divider
- Section length of multistage transformer
- Relative operating bandwidth of quarter-wave transformer
- Resistor resistance in Wilkinson divider
- Transient attenuation of separate loop coupler with cascade connection
- Wave impedance of even mode of Lange coupler
- Wave impedance of odd mode of Lange coupler
- Wave impedance of Lange coupler
- Diodes
- Current from voltage and diode constant in vacuum diode
- Current from voltage and triode constant in vacuum triode
- Diode constant for parallel-plane vacuum diode
- Diode constant of cylindrical diode
- Direct permeability coefficient of triode with flat electrodes
- Internal resistance of vacuum diode
- Limit operating frequency of vacuum diode
- Charge density in diode
- Steepness of volt-ampere characteristic of vacuum diode
- Capacitance of p-n varactor junction
- Voltage of equivalent diode for pentode
- Equivalent diode voltage for tetrode
- Equivalent diode voltage for triode
- Filters
- Transmission coefficient approximation of low-pass filter
- Band pass Chebyshev filter order from distortion and frequency
- Butterworth filter order from distortion and frequency
- Filter order from distortion and frequency
- High pass Chebyshev filter from distortion and frequency
- Low-pass Chebyshev filter order from distortion and frequencies
- Inductors
- Resistors
- Direct Current
- Fundamentals (Circuits)
- Transient Analysis
- Transmission Lines
- Coplanar Lines
- Effective permittivity of coplanar transmission line when distance is greater than thickness
- Effective permittivity of coplanar transmission line when distance is less than thickness
- Wave impedance of coplanar line when hyperbolic sine ratio squared is between \(0\) and \(\frac{1}{2}\)
- Wave impedance of coplanar line when length to distance ratio squared is between \(\frac{1}{2}\) and \(1\)
- Microstrip Lines
- Attenuation coefficient in dielectric substate of microstrip line
- Attenuation coefficient in metal of microstrip line when width is greater than thickness
- Attenuation coefficient in microstrip metal when thickness is greater than width times \(2 \pi\)
- Attenuation coefficient in microstrip metal when thickness is less than width times \(2 \pi\)
- Effective permittivity of microstrip line when width is greater than thickness
- Effective permittivity of microstrip line when width is less than thickness
- Effective permittivity of microstrip line from frequency
- Effective width of microstrip line when width is greater than thickness
- Effective width of microstrip line when width is less than thickness
- Inductance of microstrip line strip
- Resistance of microstrip line
- Short circuit inductance of microstrip line
- Surge impedance of microstrip line from frequency
- Standing wave ratio from reflection coefficient
- Standing wave ratio from voltage
- Hybrid parameters matrix equation
- Impedance matrix equation
- Impedances of π-type circuit of transmission line
- Impedances of T-type circuit of transmission line
- Input impedance from transmission matrix
- Input impedance of lossless transmission line
- Input impedance of lossy transmission line
- Reflection coefficient from ratio of average power to incident power
- Standing wave ratio from ratio of average power to incident power
- Reflection coefficient from load and surge impedance
- Scattering matrix equation
- Scattering matrix to transmission matrix
- Admittance matrix equation
- Transmission matrix equation
- Transmission matrix for parallel load in line
- Transmission matrix for serial load in line
- Transmission matrix of lossless transmission line
- Transmission matrix of lossy transmission line
- Transmission matrix of π-type matrix
- Transmission matrix of T-type circuit
- Surge impedance of microstrip line when effective width is greater than substrate thickness
- Surge impedance of microstrip line when effective width is less than substrate thickness
- Coplanar Lines
- Waveguides
- Attenuation coefficient in dielectric
- Attenuation coefficient in dielectric in rectangular waveguide
- Attenuation coefficient in metal
- Attenuation coefficient in metal in rectangular waveguide for transverse electric waves
- Attenuation coefficient in metal in rectangular waveguide for transverse magnetic waves
- Wave impedance in rectangular waveguide for transverse electric waves
- Characteristic resistance of rectangular waveguide for transverse magnetic waves
- Critical wavelength in rectangular waveguide
- Group speed of wave in rectangular waveguide
- Maximum electric field strength of main wave in rectangular waveguide
- Maximum voltage in coaxial line
- Phase speed of wave in rectangular waveguide
- Power carried by coaxial waveguide
- Power carried by main wave of rectangular waveguide
- Specific capacitance of coaxial waveguide
- Specific conductivity of coaxial waveguide
- Specific inductance of coaxial waveguide
- Specific resistance of coaxial waveguide
- Surface resistance of metal
- Wave resistance of coaxial waveguide
- Wavelength in rectangular waveguide
- Conservation Laws (Electromagnetism)
- Corona Discharge
- Electrodynamics
- Charge Transport (Electrodynamics)
- Constitutive Relations
- Dynamics (Electromagnetism)
- Electromotive Force
- Maxwell’s Equations
- Electrostatics
- Capacitance
- Charged Plane
- Charged Sphere
- Electric Dipole
- Electric dipole moment is charge times displacement
- Electric dipole moment is charge times distance
- Electric dipole moment of electrically neutral system
- Electric field due to dipole on the dipole axis
- Electric field due to dipole (Vector)
- Force acting on dipole in non-uniform electric field
- Potential energy of electric dipole in uniform electric field
- Torque due to electric dipole moment in uniform electric field
- Electric Flux
- Point Charge
- Electric field due to point charge
- Electric field is force over test charge
- Electric field is force over test charge (Vector)
- Electrostatic force between two charges
- Electrostatic force via charges and distance
- Electrostatic potential due to point charge
- Electrostatic potential energy of two charges via distance
- Electrostatic potential is work to bring from reference point over charge
- Voltage
- Fundamentals (Electromagnetism)
- Magnetostatics
- Charged Particle Motion
- Coil
- Current Loop
- Inductance
- Magnetic Dipole Moment
- Magnetic Flux
- Straight Wire
- Space Charge