$$;
$;
$
$;
,
$$1
$2
$3
$4
.
$$/;
$;
$;
$/;
, 12.
$$50 ;
$20 ;
$10 ;
$40 ;
$$ ;
$ ;
$ ;
$;
$$1
$2
$3
$4
$$$53. , .10.
$$12,5 ;
$20 ;
$100 ;
$80 ;
$$$54. , .11.
$$33 ;
$33 ;
$10 ;
$60 ;
, .
$$
$
$
$
9.
$$
$
$
$
$$3;
$30;
$10;
$60;
$$2;
$20;
$10;
$40;
$$4;
$20;
$100;
$80;
$$5;
$2;
$10;
$12;
$$$62. i = 5 cos62800t, A.
$$10 ;
$100 ;
$1 ;
$50 ;
$$$63. Um, U =40.
$$56 ;
$40 ;
$5 ;
$20 .
, ?
$$
$ H
$
$
$$$65. q=4?
$ .
$ .
$ .
$$ .
, 15 5. ?
$15
$$50
$75
$30
$$$67. , :
$T= 1/ƒ
$$ƒ= 1/T
$ω = 2πƒ
$Up= 2 Um
$$$68. , :
$T= 1/
$ƒ= 1/T
$$ω = 2πƒ
|
|
$Up= 2 Um
$$$69. , :
$T= 1/ƒ
$ƒ= 1/T
$ω = 2πƒ
$$S= T/ t
$$$70. , :
$$T= 1/ƒ
$ƒ= 1/T
$ω = 2πƒ
$Up= 2 Um
, 20 5. ?
$25
$150
$$ 200
$30
$$$72. :
$
$
$$
$
$$$72. fc=4,4 . ?
$6,8 .
$3,4 .
$$8,8 .
$1,7 .