1. , U, . .
: , m , e . : . R, : .
2. R = 10 = 1 . = 100 /. τ ?
: F┴= Bev ┴, R v┴ an = (v┴) 2/ R. , F┴ = man Bev┴ = m(v┴) 2/ R, m , e . : v┴ = (BeR)/m. , aτ = (Ee)/m. W = (mv2)/2 W0 = (mv┴2)/ 2, v2/v┴ 2 = 2. , v2 = v┴2 + v||2= v┴2+(aτ)2, (aττ)2 = v┴2 τ = v┴/aτ. : τ = (RB)/E = 10-3 c.
3. = 0,1 , . . Q = 9,5*10-2 . ? S = 103 2, R = 2 .
: E i = - d/dt I i = E i/ R = - d/Rdt. , , , , 0 =BS , =BS cos φ- (φ ). , Q = BS( 1 - cos φ)/R, φ = arccos[1 QR /(BS)] = 154o.