Conas fuinneamh a thiontú i voltais leictreon (eV) go voltas leictreach i volta (V) .
Is féidir leat volta a ríomh ó voltais leictreon agus bunmhuirear nó coulombs, ach ní féidir leat leictreoin-volta a thiontú go volta ós rud é gur aonaid leictreon-volta agus voltais cainníochtaí difriúla.
Tá an voltas V i volta (V) cothrom leis an bhfuinneamh E i voltais leictreon (eV), arna roinnt ar an lucht leictreach Q i muirear bunúil nó i muirear prótóin / leictreon (e):
V (V) = E (eV) / Q (e)
Is é an bunmhuirear muirear leictreach 1 leictreon leis an tsiombail e.
Mar sin
voltas = leictreonvolt / bunmhuirear
nó
V = eV / e
Cad é an soláthar voltais i volta de chiorcad leictreach le tomhaltas fuinnimh 800 leictreon-volta agus sreabhadh luchtaithe 40 muirear leictreon?
V = 800eV / 40e = 20V
Tá an voltas V i volta (V) cothrom le 1.602176565 × 10 -19 oiread an fhuinnimh E i voltais leictreon (eV), arna roinnt ar an muirear leictreach Q i gcoulombs (C):
V (V) = 1.602176565 × 10 -19 × E (eV) / Q (C)
Mar sin
volta = 1.602176565 × 10 -19 × electronvolt / coulomb
nó
V = 1.602176565 × 10 -19 × eV / C.
Cad é an soláthar voltais i volta de chiorcad leictreach le tomhaltas fuinnimh 800 leictreon-volta agus sreabhadh luchtaithe 2 choulom?
V = 1.602176565 × 10 -19 × 800eV / 2C = 6.4087 × 10 -17 V
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