1
FB = qv × B
FB = |q|vB sin φ
1 T = 1 NA·m = 104 G
2
FE = qE
FB = qv × B
qE = qvB ⇒ v = EB
3
V = Ed
vd = EB = ineA
n = BiVle
4
|q|vB = mv2r
r = mv|q|B
T = 2πm|q|B
f = |q|B2πm, ω = |q|Bm
5
FB = iLB sin φ
FB = iL × B
dFB = i dL × B
6
F1 = F3 = iaB
τ = iabB sin θ
τ = (NiA)B sin θ
7
dB = μ04πi ds × r̂r2
μ0 = 4π × 10−7 T·m/A
8
Ba = μ0ia2πd
Fba = ibLBa = μ0Liaib2πd
9
∮ B · ds = μ0ienc
: B = μ0i2πr
: B = μ0i2πR2r
10
∮ B · ds = Bh = μ0i(nh)
B = μ0in