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FinalFormulaSheet

# FinalFormulaSheet - 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 " E = kQ r 2 = Q 4 π ε o r 2 E = 2k λ r = λ 2 π ε o r Φ E = o E d A = Q encl ε o E = 2 π k σ = σ 2 ε o E = 4 π k σ = σ ε o V ba = V(b) - V(a) = - a b E d l 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 τ = RC I(t) = I o e -t/ τ o B d A = 0 B N A F B = q v × B F B = I l × B d B = μ o 4 π I d l × r ^ r 2 o B d l = μ o I enclosed B = μ o I 2 π r B = μ o IR 2 2(x 2 + R 2 ) 3/2 B = μ o nI μ = I A τ = μ × B ε = v B L ε = o ( v × B ) d l Φ B = B d A ε = - N d Φ B dt ε = o E d l ε 2 (t) = - M di 1 (t) dt ε (t) = - L di(t) dt L = μ o n 2 A l = μ o N 2 A l M = N 2 Φ B2 (t) i 1 (t) L = N Φ B (t) i(t) U L = 1 2 Li 2 i(t) = ε R (1 - e -t/ τ ) τ = L R u B = B 2

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

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