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I conversions

 

" = inch

1 " = .083 ft

1/16 " = .16 cm

1/8 " = .32 cm

1/4 " = .64 cm

1/2 " = 1.27 cm

3/8 " = .95 cm

3/4 " = 1.91 cm

5/8 " = 1.59 cm

7/8 " = 2.22 cm

I = confocal conics

= (x2/(a2 + k)) + (y2/(b2 + k)) + (z2/(c2 + k))

I = current, Amps

= A

= Q/t

= w/V (Amp)

= 746 Hp/V ∙ eff (motor)

I = AT/m

= dq/dt

= qv/l

I = interest

= Prt

I = flux density

= I0e-ax

I = intensity

I = total capital investment in robot and accessories ($)

I1 = P1/E1 (Parallel)

= √(P1/R1) (Parallel)

= E1/R1 (Parallel)

= P1/E1 (Series)

= √(P1/R1) (Series)

= k (Series)

= E1/R1 (Series)

= P1/E1 (Series Parallel)

= E1/R1 (Series-Parallel)

IAC = (746 ∙ hp)/eff. ∙ PF. ∙ √#ph. ∙ V (Amps)

Icoil = A

IE = exciting current

= IM + IH

IEXP = voltage drop caused by prim. inductive reactance

IEZP = voltage drop from prim. impedance

IH = core loss current

Il = qv

Im = magnetizing current

Im = magnetizing I

= Iexciting

= I through generator field windings

I0 = flux density - entrance

IP = I'P + IE

I'P = Is reflected into prim.

= Ns/NP Is

= Is/a

IPRP = resist. volt. drop in phase with IP

IPXP = induct. react. volt drop from IP

IPZP = IPRP + IPXP

= actual prim. volt drop

IReq. = (746 ∙ hp)/(V ∙ eff) (DC amps)

Is = 2nd current

= Es/((Rs + Rl) + j(Xs + Xl))

IsRs = resist volt. drop in phase with IP

IsXs = induct. react. volt drop from 2nd I flow through 2nd induct react

IsZs = voltage drop across 2nd impedance

= IsRs + IsXs

IT = PT/EA (Parallel)

= IA + IB + IC (Parallel)

= EA/RT (Parallel)

= P/E (Series)

= √(P/R) (Series)

= E/R (Series)

= PT/EA (Series-Parallel)

= EA/RT (Series-Parallel)

ITP = IA + IB + IC (Series-Parallel)

ITS = ITP (Series-Parallel)

i = ndiss.

[i] = PPi

= Mi

= ni/V

= Pi/RT

[i](gas) = ni/V

= Pi /RT

IHp = indicated horsepower

= 2PaLAN/33000

IMA = ideal mechanical advantage

= radiuslarge wheel/radiussmall wheel

= EA/RA

= EA/RA (levers)

= ED/RD

= ED/RD (inclined plane)

= RadiusE/RadiusR (wheel)

= # strands minus effort strand if opposite to resistance direction (pulleys)

impedance = Z

in = inch

= 2.54 cm

= .0254 m

= m/39.37

= yd/36

= ft/12

= hand/4

= mm/.04

= cm/.39

= pouce

= 4 sicilicus

in2 = ft2/144

= 6.45 cm2

= cm2/.15

in3 = 16.39 ml

= ft3/1728

inch = in

= "

= 25.4 mm

= 2.540 centimeters

= .0833 feet

= .0254 meters

= .0278 yards

index of refraction = speed of light in air/speed of light in medium x

indicated horsepower = IHP

infrared = 1012-1014.6 Hz

input arm = effort arm

input work = E ∙ D (pulleys)

= effort ∙ distance effort moves

Interest = I

Internal Energy = U

= work + Ht

isos = equal, identical

 

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