Aonaid leictreacha agus leictreonacha srutha leictreach, voltais, cumhachta, friotaíochta, toilleas, ionduchtaithe, luchtaithe leictreachais, réimse leictreach, flosc maighnéadach, minicíocht:
| Ainm an Aonaid | Siombail Aonaid | Cainníocht |
|---|---|---|
| Ampere (amp) | A | Sruth leictreach (I) |
| Volt | V | Voltas (V, E) Fórsa leictreamaighnéadach (E) Difríocht fhéideartha (Δφ) |
| Ohm | Ω | Friotaíocht (R) |
| Watt | W | Cumhacht leictreach (P) |
| Decibel-milliwatt | dBm | Cumhacht leictreach (P) |
| Decibel-Watt | dBW | Cumhacht leictreach (P) |
| Volt-Ampere-Imoibríoch | var | Cumhacht imoibríoch (Q) |
| Volt-Ampere | VA | Cumhacht dealraitheach (S) |
| Farad | F | Toilleas (C) |
| Anraí | H | Ionduchtú (L) |
| siemens / mho | S | Seoltacht (G) Cead isteach (Y) |
| Coulomb | C | Muirear leictreach (Q) |
| Ampere-uair an chloig | Ah | Muirear leictreach (Q) |
| Joule | J | Fuinneamh (E) |
| Kilowatt-uair an chloig | kWh | Fuinneamh (E) |
| Leictreon-bholta | eV | Fuinneamh (E) |
| Ohm-mhéadar | Ω ∙ m | Friotaíocht ( ρ ) |
| siemens in aghaidh an mhéadair | S / m | Seoltacht ( σ ) |
| Volta in aghaidh an mhéadair | V / m | Réimse leictreach (E) |
| Newtons in aghaidh an coulomb | N / C. | Réimse leictreach (E) |
| Méadar voltais | V⋅m | Flosc leictreach (Φ e ) |
| Tesla | T | Réimse maighnéadach (B) |
| Gauss | G | Réimse maighnéadach (B) |
| Weber | Wb | Flosc maighnéadach (Φ m ) |
| Hertz | Hz | Minicíocht (f) |
| Soicind | s | Am (t) |
| Méadar / méadar | m | Fad (l) |
| Méadar cearnach | m 2 | Limistéar (A) |
| Decibel | dB | |
| Páirteanna in aghaidh an mhilliúin | ppm |
| Réimír
|
Réimír Siombail |
Réimír fachtóir |
Sampla |
|---|---|---|---|
| pico | p | 10 -12 | 1pF = 10 -12 F. |
| nano | n | 10 -9 | 1nF = 10 -9 F. |
| micrea | μ | 10 -6 | 1μA = 10 -6 A. |
| milli | m | 10 -3 | 1mA = 10 -3 A. |
| kilo | k | 10 3 | 1kΩ = 1000Ω |
| mega | M | 10 6 | 1MHz = 10 6 Hz |
| giga | G | 10 9 | 1GHz = 10 9 Hz |
Volt an t-aonad leictreach an voltais .
Is é voltas amháin fuinneamh 1 ghuta a ídítear nuair a shreabhann lucht leictreach 1 coulomb sa chiorcad.
1V = 1J / 1C
Is é Ampere aonad leictreach an tsrutha leictreach . Tomhaiseann sé méid an mhuirir leictreach a shreabhann i gciorcad leictreach in aghaidh an 1 soicind.
1A = 1C / 1s
Is é Ohm an t-aonad friotaíochta leictreach.
1Ω = 1V / 1A
Is é Watt aonad leictreach na cumhachta leictreachais . Tomhaiseann sé ráta an fhuinnimh ídithe.
1W = 1J / 1s
1W = 1V ⋅ 1A
Deicibeil-milliwatt nó dBm Is aonad cumhachta leictreachais , arna thomhas le scála logartamach tagairt do 1mW.
10dBm = 10 ⋅ log 10 (10mW / 1mW)
Is aonad de chumhacht leictreach é bhata deicibeil nó dBW , arna thomhas de réir scála logartamach dá dtagraítear do 1W.
10dBW = 10 ⋅ log 10 (10W / 1W)
Is é Farad an t-aonad toilleas. Léiríonn sé méid an mhuirir leictreachais i gcoulombs a stóráiltear in aghaidh 1 bholt.
1F = 1C / 1V
Is é Henry an t-aonad ionduchtaithe.
1H = 1Wb / 1A
is é siemens an t-aonad seoltachta, a mhalairt de fhriotaíocht.
1S = 1/1Ω
Is é Coulomb an t-aonad luchtaithe leictreachais .
1C = 6.238792 × 10 18 muirir leictreon
Is aonad de mhuirear leictreach é Ampere-hour .
Is é uair an chloig aimpéar an muirear leictreach a shreabhann i gciorcad leictreach, nuair a chuirtear sruth 1 aimpéar i bhfeidhm ar feadh 1 uair an chloig.
1Ah = 1A ⋅ 1 uair
Tá uair an chloig aimpéar cothrom le 3600 coulombs.
1Ah = 3600C
Is é Tesla aonad an réimse mhaighnéadaigh.
1T = 1Wb / 1m 2
Is é Weber an t-aonad flosc maighnéadach.
1Wb = 1V ⋅ 1s
Is é Joule an t-aonad fuinnimh.
1J = 1 kg ⋅ m 2 / s 2
Is aonad fuinnimh é Kilowatt-hour .
1kWh = 1kW ⋅ 1h = 1000W ⋅ 1h
Is aonad cumhachta é Kilovolt-amps .
1kVA = 1kV ⋅ 1A = 1000 ⋅ 1V ⋅ 1A
Is é Hertz an t-aonad minicíochta. Tomhaiseann sé líon na dtimthriallta in aghaidh an tsoicind.
1 Hz = 1 timthriall / s
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