1
ΦB = ∫ B · dAΦB = BAℰ = −NdΦBdt1 Wb = 1 T·m2
2
3
ΦB = BLx|ℰ| = BLvi = BLvRF = B2L2vRP = B2L2v2R = i2R
4
L = NΦBiLl = μ0n2AℰL = −Ldidt1 H = 1 T·m2/A
5
Ldidt + Ri = ℰi = ℰR(1 − e−t/τL)τL = LRUB = (1/2)Li2uB = B22μ0
6
M = N2Φ21i1ℰ2 = −Mdi1dtℰ1 = −Mdi2dt
7
Ld2qdt2 + qC = 0ω = 1LCUE + UB = Q22Cq = Qe−Rt/2L cos(ω′t + φ)ω′ = ω2 − (R/2L)2
8
ℰ = ℰm sin ωdti = I sin(ωdt − φ)XL = ωdLXC = 1ωdCZ = R2 + (XL − XC)2I = ℰmZtan φ = XL − XCR
9
Pavg = (1/2)I2R = I2rmsRIrms = I2Pavg = ℰrmsIrms cos φ
10
Vs = VpNsNpIs = IpNpNsReq = (NpNs)2R