November 2012
Intermediate to advanced
606 pages
17h 46m
English
Content preview from Electric Energy, 3rd Edition
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Appendix A: Units and Symbols
|
Variable |
Unit |
Variable |
Unit |
|
Time t |
Second (s) |
Length l |
Meter (m) |
|
Electric current I |
Ampere (A) |
Electric potential (E or V) |
Volt (V) |
|
Electric resistance R |
Ohm (Ω) |
Resistivity ρ |
Ω-m |
|
Capacitance C |
Farad (F) or s/Ω |
Inductance L |
Henry (H) or Ω-s |
|
Charge q |
Coulomb or A-s |
Frequency f |
Hertz (Hz or cycles/s) |
|
Magnetic flux φ |
Weber or V-s |
Magnetic field density B |
Tesla or V-s/m2 |
|
Magnetic field intensity H |
A/m |
Reluctance ℜ |
A turn/weber |
|
Magnetomotive force ℑ |
A turn |
Permeability μ |
H/m or N/A2 |
|
Electric real power P |
Watt (W) |
||
|
Electric reactive power Q |
VAr |
Electric apparent power S |
VA |
|
Mechanical power P |
Horse power ... |
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