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Electrical Units
Electrical & electronic units of electric current, voltage, power, resistance, capacitance, inductance, electric charge, electric field, magnetic flux, frequency:
*Electrical & electronic units table
* Units prefix table
* Electrical units definitions
Electrical & electronic units table
Unit Name | Unit Symbol | Quantity |
Ampere (amp) | A |Electric current (I) |
Volt | V | Voltage (V, E) Electromotive force (E)Electric potential (φ) |
Ohm | Ω | Resistance (R) Impedance (Z) |
Watt | W | Electric power (P) |
Decibel-milliwatt | dBm |Electric power (P) |
Decibel-Watt | dBW | Electric power (P) |
Volt-Ampere-Reactive | VAR | Reactive power (Q) |
Volt-Ampere | VA | Apparent power (S) |
Farad | F | Capacitance (C) |
Henry |H | Inductance (L) |
siemens / mho | S | Conductance (G) Admittance (Y) |
Coulomb | C | Electric charge (Q) |
Ampere-hour | A·h | Electric charge (Q) |
Joule | J | Energy (E) |
Kilowatt-hour| kWh | Energy (E) |
Electron-volt | eV | Energy (E) |
Ohm-meter | Ω∙m | Resistivity (ρ) |
siemens per meter | S/m | Conductivity (σ) |
Volts per meter | V/m | Electric field (E) |
Newtonsper coulomb | N/C | Electric field (E) |
Volt-meter | V·m | Electric flux (Φe) |
Tesla | T | Magnetic field (B) |
Gauss | G | Magnetic field (B) |
Weber | Wb | Magnetic flux (Φm) |
Hertz |Hz | Frequency (f) |
Seconds | s | Time (t) |
Meter / metre | m | Length (l) |
Square-meter | m2 | Area (A) |
Decibel | dB |   |
Parts per million | ppm |   |
 

Units prefix tablePrefix   | Prefix Symbol | Prefix factor | Example |
pico | p | 10-12 | 1pF = 10-12F |
nano | n | 10-9 | 1nF = 10-9F |
micro | μ | 10-6 | 1μA = 10-6A |
milli | m | 10-3 | 1mA = 10-3A |
kilo | K |10 3 | 1KΩ = 1000Ω |
mega | M | 10 6 | 1MHz = 106Hz |
giga | G | 10 9 | 1GHz = 109Hz |
 

Electrical units definitions
Volt (V)
Volt is the electrical unit of voltage.
One volt is the...