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E conversions

 

E = cal. curve slope

= slope/path length (l)

= (L/n) cm

ε = Elect. field intensity

= V/m

= k (Q/r2)

= hν0

= .5 mv2 - EPhoton

= E0 - (.059/n) log10 Q (@ 298 K)

εa = k (Q1/r21 + Q2/r22 + Q3/r23)

E = Energy

= Internal Energy

= LvB

= V = voltage

= voltage drop across R

= IR (Series, Parallel)

= 4.44 fNΦm

= 4.44 ∙ slip ∙ fNΦm/s (at any rotat. v)

= ΔΦ

= -ΔG/nF

= - electrolytic, + galvanic

= emf (volts)

= dω/dq

= Blv

= -dΦ/dt

= NBlv

= -N(dΦ/dt)

= NBlvsinα

= 1/2 NBlωw sinα

= 1/2 mv2 - (2e2/r)

= NBlwω sinα

= NBAω sinα

= - (ΔGθ + RT ln Q)/nF (Nernst)

= Eθ - (RT/nF) ln Q (Nernst)

= -2π2e4mZ2/n2h2

= -2π2me4/n2h2

= nhν

= hν

= hc/λ

= mc2

= ml2/t2

= mA/t2

= -e2/2r

= (mv2r - 4e2)/2r

= hν0 + 1/2mv2

= 1/2Nmv2 - (2e2/r)

= D - 4πP

E = [Thot water - Tcold water]/[Thot water - Twet bulb]

E = effort

= R/MA

= R∙RA/EA

E = annual expense of robot upkeep ($) (approx. $/hr over L period)

ΔE = E2 - E1

= Eprod - Ereact

= q - w

= BH

= hν

= hc/λ

= 2π2e4m/h2 ∙ [(1/n2i - 1/n2f)]

= ΔHmean - ΔngasRT

= H - PV

= ΔH - Δ(PV)

= ΔH - PoppΔV

≈ ΔH

= difference between 2 allowed energy states of a system

= diff. in E between ground state and excited orbital state

= ΔE electron levels + ΔE rotation + ΔE vibration

ΔE electron levels = emittance absorption in ultra-violet, 200-700 nm

ΔE vibration = emittance absorption in infrared, 1-300 μm

ΔE rotation = emittance absorption in microwave, > 1 mm

E- = electro

= electrons

E- photon = B.E. e- + K.E. e- (photoelectric effect)

= hν

= hc/λ (vacuum)

= 2.5 eV

= 4 ∙ 10-19 J

E-/mol = kJ/mol

E- mag. rad. = electromagnetic radiation

= x-ray (short λ), light

= mag. fd + E- fd

E- mag. v ≈ 3 ∙ 108 m/s

Eθ = -ΔGθ /nF

E1 = P1/I (Series)

= √PR1 (Series)

= IR1 (Series)

= P1/I1 (Series-Parallel)

= √P1R1 (Series-Parallel)

= I1R1 (Series-Parallel)

= k (Parallel)

E1 = ΔE - E2

EA = PT/IT (Parallel)

= √PR (Parallel)

= ITRT (Parallel)

= IARA (Parallel)

= RI (Series)

=√PR (Series)

= E1 + E2 + E3 (Series)

= PT/IT (Series-Parallel)

= √PTRT (Series-Parallel)

= EAS + EAP (Series-Parallel)

= ITRT (Series-Parallel)

E Average Tf = (N turns x Φm)/t

= NΦm/t

= NTΦm/1/4ν

= 4νNTΦm

EEffective Tf = 1.11 EAverage Tf

= 4.44 νNΦm

EIon-Dipole = μq/r2

EIon-Ion = q1q2/r

Em = NBAω

= max. coil gen. voltage

Ep = primary voltage

= prim. induced voltage

= prim. wind voltage induced by Φ

= counter emf

= 4.44 νNPΦm (Tf)

-EP = prim. emf of self induction

Ep/Es = Np/Ns

= turns : voltage Tf

= Is/Ip

= a

EpIp = EsIs

Ephoton = ε + 1/2mv2

ERotating coil = NBlv sinα

= 1/2 NBlwω sinα

= 1/2 NBAω sinα

Es = secondary voltage

= 2nd induced voltage

= 2nd wind volt. induced by Φ

= 4.44 νNsΦm (Tf)

Ewave = (h2d2Ψ/8π2mdx2) + VΨ

E ∙ EA = R ∙ RA

e = Em sin α

= instantaneous voltage

= ln

= 2.71828

e = eccentricity

e- = electron

= 9.11 ∙ 10-28 g

= 8.188 ∙ 10-15 J

= 8.188 ∙ 10-15 VAs

= 1.602 ∙ 10-19 C

= 1.602 ∙ 10-19 J ∙ V

EA = effort arm length

= distance from fulcrum to effort (input)

= MA ∙ Resistance arm length

= moment/effort

= torque/effort

= resistance ∙ RA/effort

= RA ∙ IMA (Levers)

ebdomekonta (Gr.) = seventy

ebdomekostos (Gr.) = seventieth

ebdomos (Gr.) = seventh

eccentricity = e

ED = effort distance moved (inclined plane)

= RD ∙ IMA (inclined plane)

ee-chee (Jap.) = one

efficiency = eff

= Actual MA/Ideal MA

= AMA/IMA

= 746 hp/V ∙ I (motor)

= 746 Hp/IAC PF V √#ph (Amps)

= 746 Hp/V IReq (Amps, DC)

= 746 Hp/PF kvaAC

= .746 Hp/PF kva (AC motor)

= .746 Hp/kw (AC motor)

= 746 Hp/PF PReq (kva)

= 746 Hp/PReq (watts)

= 746 PRat/V A (hp)

= .746 Hp/P (kw)(AC motor)

= 746 Hp/P (watts)(AC motor)

= 746 Hp/w (motor)

% efficiency = (AMA/IMA) ∙ 100

effort = Resistance/MA

= E

eidos (Gr.) = form

eight = octo (Gr.)

= acht (G.)

= bes (L.)

= huit (F.)

= okto (Gr.)

= octo (L.)

= ocho (Sp.)

= hah-chee (Jap.)

eighteen = achtzehn (G.)

= duo-de-viginti (L.)

= dekaokto (Gr.)

= octodecim (L.)

eighteenth = dix-huitieme (F.)

= octavus decimus (L.)

eighth = 1/8

= .125

= achte (G.)

= huitieme (F.)

= ogdoos (Gr.)

= octavus (L.)

eight hundred = oktakosia (Gr.)

= octingenti (L.)

eight hundredth = oktakosiostos (Gr.)

= octingentesimus (L.)

eightieth = achtzigster (G.)

= ogdoekostos (Gr.)

= octogesimus (L.)

eighty = achtzig (G.)

= ogdoekonta (Gr.)

= octoginta (L.)

= quatre-vingts (F.)

= ochente (Sp.)

eighty nine = undenonaginta (L.)

eikosi (Gr.) = twenty

eikostos (Gr.) = twentieth

einquatieren (G.) = quarter

eins (G.) = one

ekatommyrion (Gr.) = million

ekatommyriostos (Gr.) = millionth

ekaton (Gr.) = 100

ekatontadrachmon (Greek) = 100 denarius

ekatontas (Gr.) = 100

ekatostari (Greek) = 100 denarius

ekatostos (Gr.) = 1/100

ektarion (Greek) = hectare

ektos (Gr.) = sixth

electron = e-

electronvolt = ev

eleven = elf (G.)

= endeka (Gr.)

= onze (F.)

= undecim (L.)

= once (Sp.)

= haon-deug

eleventh = elfter (G.)

= endekatos (Gr.)

= onzieme (F.)

= undecimus (L.)

eleven twelfths = deunx (L.)

elf (G.) = eleven

elfter (G.) = 1/11

ell = cubit

elle = tripedalis

EM = electromagnetic

EM induction = the voltage produced in a coil as the number of mag. lines of force (flux linkages) passing through the coil changes

EM unit = emu

= unit of electricity based mainly on magnetic effect of an electric current

= abampere (cgs)

emission spectra = Intensity emitted Emr/λ

= E- loss

emisys, -eia, -y (Gr.) = half

endeka (Gr.) = eleven

endekatos (Gr.) = eleventh

eneenta (Gr.) = ninety

enenekonta (Gr.) = ninety

enenekostos (Gr.) = ninetieth

Energy = Enthalpy - (PV)

ennea (Gr.) = nine

enneakosioi, -es, -a (Gr.) = 900

enneakosiostos (Gr.) = 1/900

Enthalpy = H

= (ΔFree Energy + Temp.) ∙ ΔEntropy

Entropy = S

= (ΔEnthalpy - Free E)/Temp.

epta (Gr.) = seven

eptakosioi, -es, -a (Gr.) = 700

Eq. wght = MW/#ion (H+, OH- avail.)

eq. = V N

= gsolute/g/eq.

eqwgt = g/eq#

eq# = g/eq. wght

= N1V1 = N2V2

= V ∙ N

= gsol't /(g/eq#)

equator = ~24,000 mi. circumference

= 25,000 mi. circ.

= 40000 km circ.

= 8000 mi. dia.

erg = 10-7 J

= 10-7 w s

= 1.51 ∙ 1026 h/s

= 10-7 VAs

= 10-7 VAsg

= .01 rad ∙ gram

= 7.24 ∙ 1015 k ∙ k

= 2.39 ∙ 10-7 g ∙ cal.

= 3.83 ∙ 10-19 g ∙ cal.

ergrunden = fathom

%error = ((xmean exp - xactual)/xactual) ∙ 100

ev = electronvolt

= 1.6022 ∙ 10-19 J

= 3.831 ∙ 10-20 g ∙ cal

= 1.6022 ∙ 10-19 VAs

ex (Gr.) = six

exakosia (Gr.) = 600

exas (Gr.) = six

exekostos (Gr.) = sixtieth

exekonta (Gr.) = 60

exenta (Gr.) = sixty

 

 

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