(. 9.8, ) . : , , .
. 9.8. () ()
, , , . ω .
I = (U E) / r ,
: = k ω , ω .
( ).
. , U = 0.
r , .
I = (U E) / (r + ) = (0)/ (r + ) = /(r + ).
, , .
= k( I ) <0, .
2 . = k ω, .
( 0 ) ω = 0, = 0, I = 0 = 0.
(, ) 0.
, : 0 , ω .
, .. = k( ω) <?,
I = () /(r + ) = /(r + ) > 0.
, .. , . , ω ( ).
:
1. , .. ;
2. (. 0 . 9.8, );
3. , , .