, ia. , , , . , , ; .
, .
e = Bx va la,
Bx ; va ; la .
,
N/ (2a) N/ (2a)
E = ∑e = va la ∑Bx,
1 1
N ; N/(2a) , .
,
N/(2a)
∑Bx ≈ [N/(2a)]B,
B τ = πDa /(2p).
, B la τ = va = πDa n/60 = 2τpn/60,
= [N/(60a)] n = n,
= pN/(60a) , .
.
, U , . , , , U = 2. , U Bx = f(x) .
.
, Ia,
= 0,5F Da,
F , .
F fx, . F :
N
F = ∑fx = Nf = NB la ia /(2a),
ia .
C
= pNIa /(2πa) = Ia,
= pN/(2πa) = 60 /(2π) , .
, .
.
.
(..), , ...