QuizFormulaSheet3

# QuizFormulaSheet3 - Possibly Useful Information Fe = E =...

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Possibly Useful Information: F e = kq 1 q 2 r 2 = q 1 q 2 4 π ε o r 2 F = q E E N A B N A E = kQ r 2 = Q 4 π ε o r 2 E = 2k λ r = λ 2 π ε o r Φ E = 4 π kQ encl = Q encl ε o E = 2 π k σ = σ 2 ε o E = 4 π k σ = σ ε o Φ E = E d A V ba = V(b) - V(a) = - a b E d U e ( r ) = qV( r ) V = kQ r = Q 4 π ε o r U e = kq 1 q 2 r = q 1 q 2 4 π ε o r J = nq v d = nq 2 τ m E = 1 ρ E I = dQ dt = JA R = V I = ρ L A R eq = R 1 + R 2 κ = E out /E in P = IV = V 2 R = I 2 R 1 R eq = 1 R 1 + 1 R 2 C = Q V = κ ε o A d 1 C eq = 1 C 1 + 1 C 2 U C = 1 2 QV = 1 2 Q 2 C = 1 2 CV 2 u E = 1 2 κ ε o E 2 C eq = C 1 + C 2 Q(t) = Q f (1 - e -t/ τ ) Q(t) = Q o e -t/ τ F B = q v × B τ = RC I(t) = I o e -t/ τ F B = I × B d B = µ o 4 π I d × r ^ r 2 o B d = µ o I enclosed B = µ o IR 2 2(x 2 + R 2 ) 3/2 B = µ o I 2 π r B = µ o I 2R B = µ o nI µ = I A τ = µ × B ε = o ( v × B ) d Φ B = B d A ε = - N d Φ B dt ε = o E d ε 2 (t) = - M di 1 (t) dt ε (t) = - L di(t) dt L = µ o n 2 A = µ o N 2 A M = N 2 Φ B2 (t) i 1 (t) L = N Φ B (t) i(t) U L = 1 2 Li 2 i(t) = I f (1 - e -t/ τ ) τ = L R u B = B 2 2 µ o rms = max 2 P avg = I rms 2 R P avg = I rms V rms cos φ

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V = I Z Z = R 2 + (X L - X C ) 2 ω = 2 π f V = I X X L = ω L X C = 1/ ω C V 2 V 1 = N 2 N 1 ω o = 1 LC tan φ = X L - X C R o B d = µ o (I enclosed + ε o d Φ E dt ) Φ E = E d A = E dA o E d A = Q enclosed ε o c =
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## This note was uploaded on 08/27/2009 for the course PHYS 2213 taught by Professor Perelstein,m during the Fall '07 term at Cornell.

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QuizFormulaSheet3 - Possibly Useful Information Fe = E =...

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