study sheet - Electricity F _kqlq2 e r2 E=F_e q V=-W- q...

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Unformatted text preview: Electricity F _kqlq2 e r2 E=F_e q V=-W- q 1:51 t _‘_’ R_ I pL 3:]- 2 - _ 2 -2. P_VI—IR_ B W=Pt=VIt=12Rt=VT:£ Series Circuits I=I1=12=13=... V=V1+V2+V3+... Req=Rl+R2+R3+... Circuit Symbols 2": cell .1. ': batter "l— J. SVVitCh —®— voltmeter —®— ammeter WV resistor «XX, variable resistor @— lamp Reference Tables for Physical Setting/Physics 2006 Edition A = cross—sectional area E = electric field strength F e = electrostatic force I = current k =‘ electrostatic constant L = length of conductor P = electrical power q = charge R = resistance Re ‘7 r = distance between centers = equivalent resistance t = time V = potential difference W = work (electrical energy) A = change p = resistivity Parallel Circuits I=Il+12+13+... V=V1=V2=V3=... l 1 l l 1T“=§1—+‘B—2+'§;+... Resistivities at 20°C ( Q-m 2-44x 10-8 Nichrome 13m 1045 1-59x 10* Page 4 waves 1) = f A. c = speed of light in a vacuum T = _l_ f = frequency f n = absolute index of refraction 61' = er T = period n = E v = velocity or speed _ 6 I B k = wavelength nl 8111 1 = "2 $111 2 B an 1 = g e 2 _ 19—1— _ 3,1— Bi = angle of incidence "1 - “2 ~ k2 6r = angle of reflection Modern Physics Ephoton = h = ’% c = speed of light in a vacuum V E = Ephoton = Ei ‘ Ef energy f = frequency E = mc2 , h = Planck’s constant m = mass A. = wavelength § Geometry and Trigonometry Rectangle A = area a; A = bk [9 = base Triangle C = circumference 3“ A = l bh h = height ‘- 2 r = radius Circle A = nrz C = 2m Right Triangle 02 = a2 + b2 sin 8 = g- 0 cos 6 = b- 0 tan 0 = 9— b Reference Tables for Physical Setting/Physics 2006 Edition Page 5 ...
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study sheet - Electricity F _kqlq2 e r2 E=F_e q V=-W- q...

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