TABLE OF CONTENTS | Abbreviations used in electronics for multiples and sub-multiples | ||
|---|---|---|
| T | tera | 10 12 |
| G | giga | 10 9 |
| M | mega or meg | 10 6 |
| k | kilo | 10 3 |
| d | deci | 10 ?1 |
| c | centi | 10 ?2 |
| m | milli | 10 ?3 |
| ? | micro | 10 ?6 |
| n | nano | 10 ?9 |
| p | pico | 10 ?12 |
| Terms and symbols used in electronics | |
|---|---|
| Term | Symbol |
| Approximately equal to | ? |
| Proportional to | ? |
| Infinity | ? |
| Sum of | ? |
| Greater than | > |
| Less than | < |
| Much greater than | ? |
| Much less than | ? |
| Base of natural logarithms | e |
| Common logarithms of x | log x |
| Temperature | ? |
| Time constant | T |
| Efficiency | ? |
| Per unit | p.u. |
| Electrical quantities and units | |||
|---|---|---|---|
| Quantity | Quantity symbol | Unit | Unit symbol |
| Angular velocity | ? | radian per second | rad/s |
| Capacitance | C | farad | F |
| microfarad | F | ||
| picofarad | pF | ||
| Charge or quantity of electricity | Q | coulomb | C |
| Current | I | ampere | A |
| milliampere | mA | ||
| microampere | A | ||
| Electromotive force | E | volt | V |
| Frequency | f | hertz | Hz |
| kilohertz | kHz | ||
| megahertz | MHz | ||
| Impedance | Z | ohm | ? |
| Inductance, self | L | henry (plural, henrys) | H |
| Inductance, mutual | M | henry (plural, henrys) | H |
| Magnetic field strength | H | ampere per metre | A/m |
| Magnetic flux | ? | weber | Wb |
| Magnetic flux density | B | tesla | T |
| Potential difference | V | volt | V |
| millivolt | mV | ||
| kilovolt | kV | ||
| Power | P | watt | W |
| kilowatt | kW | ||
| megawatt | MW | ||
| Reactance | X | ohm | ? |
| Resistance | R | ohm | ? |
| microohm | ?? | ||
| megaohm | M ? |
