Electromagneticism Equations

# Electromagneticism Equations - F12 = k qq r F12 = r 1 2 2...

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r F r q kq ˆ 2 12 2 1 12 = 2 12 2 1 12 r q q k F = E q F F = V q F E - = = 0 / r E r kq po ˆ 2 int = E line = 2kλ/r λ=Q/L E plate = σ/(2є) E between plates = σ/є σ=Q/A p = qd E p F F F × = τ E p U F F - = qV U r q kq E = = 12 2 1 U U U l d F W b a a b b a - = - = = W a→b = qEd (along a uniform field) = = r dq q U k V 0 = i r q i i k V points = = - a b a b b a dl E l d E V V φ cos 2 2 V ab = V a – V b = Ed (along a uniform field) series: ... 3 2 1 1 1 1 1 + + + = C C C C eq parallel: C eq = C 1 + C 2 + C 3 + … C=Q/V ab Q=CV ab C = KC 0 = Kє 0 d A = є d A QV CV U C Q 2 1 2 2 1 2 2 = = = u = ½K є 0 E 2 = ½ є E 2 є material = K є 0 σ i =σ(1-1/K) series: R eq = R 1 + R 2 + R 3 + … parallel: ... 3 2 1 1 1 1 1 + + + = R R R R eq V ab_resistor = IR V ab_terminals = E ± IR R = ρL/A R(T) ≈ R 0 [1+α(T-T 0 )] P = V ab I = I 2 R = V ab 2 /R I = dQ/dt = n|q|v d A ρ = E/J ρ(T) ≈ ρ 0 [1+α(T-T 0 )]

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## This note was uploaded on 07/01/2010 for the course PHYSICS 055 taught by Professor Basu during the Spring '10 term at UC Davis.

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Electromagneticism Equations - F12 = k qq r F12 = r 1 2 2...

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