1502-ToKnow2.pdf

# 1502-ToKnow2.pdf - Things to Know for Mid-Term 2 Constants...

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Things to Know for Mid-Term 2 Constants Particle charge mass Charge density c = 1 ε 0 μ 0 = 2 . 998 × 10 8 m/s k e = 1 4 πε 0 = 8 . 99 × 10 9 N m 2 /C 2 electron 1 . 60 × 10 - 19 C 0 . 10 × 10 - 31 kg λ = q L (line) ε 0 = 8 . 885 × 10 - 12 C 2 /Nm 2 proton +1 . 60 × 10 - 19 C 1 . 67 × 10 - 27 kg σ = q A (surface) N 0 = 6 . 02 × 10 23 particles/mole neutron 0 C 1 . 67 × 10 - 27 kg ρ = q V (volume) μ 0 = 12 . 566 × 10 - 7 NA - 2 v F = k e q 1 q 2 r 2 ˆ r Δ U = q 0 i B A v E · dv r U = q 2 2 C = 1 2 CV 2 v F = qv± × v B Φ B = i v B · d v A v E = v F q 0 U = k e q 1 q 2 r 12 u E = 1 2 ε 0 E 2 v F = I v × v B L = Φ B I v E = k e s i q i r 2 i ˆ r i Δ V = Δ U q 0 with V = 0 I dq dt = na± d A F = μ 0 I 1 I 2 2 πd ε L = L dI dt v E = k e i dq r 2 ˆ r V = k e s i q i r i = k e i dq r j I A = σE v B = μ 0 4 π i Id v × v r r 2 U = 1 2 LI 2 Φ = i surface v E · d v A C q V and C = κC 0 R = V I = ρ L A , ρ = 1 σ c v E · d v = d Φ B dt u B = 1 2 μ 0 B 2 Φ = c v E · d v A = q in ε 0 P = dU dt = IV = RI 2 R = qB c v B · d v = μ 0 I enc .
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• Fall '09
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