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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 - E_Photon

= E⁰ - (.059/n) log₁₀ Q (@ 298 K)

ε_a = 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

= - (ΔG^θ + RT ln Q)/nF (Nernst)

= E^θ - (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 = [T_{hot water} - T_{cold water}]/[T_{hot water} - T_{wet bulb}]

E = effort

= R/MA

= R∙RA/EA

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

ΔE = E₂ - E₁

= E_prod - E_react

= q - w

= BH

= hν

= hc/λ

= 2π²e⁴m/h² ∙ [(1/n²_i - 1/n²_f)]

= ΔH_mean - Δn_gasRT

= H - PV

= ΔH - Δ(PV)

= ΔH - P_oppΔV

≈ 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

E^θ = -ΔG^θ /nF

E₁ = P₁/I (Series)

= √PR₁ (Series)

= IR₁ (Series)

= P₁/I₁ (Series-Parallel)

= √P₁R₁ (Series-Parallel)

= I₁R₁ (Series-Parallel)

= k (Parallel)

E₁ = ΔE - E₂

E_A = P_T/I_T (Parallel)

= √PR (Parallel)

= I_TR_T (Parallel)

= I_AR_A (Parallel)

= RI (Series)

=√PR (Series)

= E₁ + E₂ + E₃ (Series)

= P_T/I_T (Series-Parallel)

= √P_TR_T (Series-Parallel)

= E_AS + E_AP (Series-Parallel)

= I_TR_T (Series-Parallel)

E _{Average Tf} = (N turns x Φ_m)/t

= NΦ_m/t

= N_TΦ_m/1/4ν

= 4νN_TΦ_m

E_{Effective Tf} = 1.11 E_{Average Tf}

= 4.44 νNΦ_m

E_Ion-Dipole = μq/r²

E_Ion-Ion = q₁q₂/r

E_m = NBAω

= max. coil gen. voltage

E_p = primary voltage

= prim. induced voltage

= prim. wind voltage induced by Φ

= counter emf

= 4.44 νN_PΦ_m (Tf)

-E_P = prim. emf of self induction

E_p/E_s = N_p/N_s

= turns : voltage Tf

= I_s/I_p

= a

E_pI_p = E_sI_s

E_photon = ε + 1/2mv²

E_{Rotating coil} = NBlv sinα

= 1/2 NBlwω sinα

= 1/2 NBAω sinα

E_s = secondary voltage

= 2nd induced voltage

= 2nd wind volt. induced by Φ

= 4.44 νN_sΦ_m (Tf)

E_wave = (h²d²Ψ/8π²mdx²) + VΨ

E ∙ EA = R ∙ RA

e = E_m 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/I_AC P_F V √#ph (Amps)

= 746 Hp/V I_Req (Amps, DC)

= 746 Hp/P_F kva_AC

= .746 Hp/P_F kva (AC motor)

= .746 Hp/kw (AC motor)

= 746 Hp/P_F P_Req (kva)

= 746 Hp/P_Req (watts)

= 746 P_Rat/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

= g_solute/g/eq.

eq_wgt = g/eq#

eq^# = g/eq. wght

= N₁V₁ = N₂V₂

= V ∙ N

= g_sol'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 = ((x_{mean exp} - x_actual)/x_actual) ∙ 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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