1
.
1. .
. . .
2. .
: 1 3, r1, r2, r3, r4. 1, 2, 3. 7-38 .
3. .
(.1), I1, I2, I3, .
 |
. 1
4. .
4.1. (. 1), .
4.2. .
4.3. , 1. .
4.4. , 1, .
1
| 1 | 3 | I1 | I2 | I3 | U1 | U3 | Ur1 | Ur2 | Ur3 | Ur4 | Uac |
| B | B | mA | mA | mA | |||||||
1, 3, U1 U3 , .
U = E I×R
, , . , U ( ) ( ).
4.5. , , r1, r2, r3, r4 ri1, ri3. 2.
2
| r1 | r2 | r3 | r4 | ri1 | ri3 |
4.6. , , .
2
1. .
. - . .
2. .
, L, R100 100 , R1 1 , , . 1. . V. N .
|
|
|
 |
L
I
I R 100
U II
0,025
 |
R 1
. 1
3.
3.1. (. 1). U = 10 4 .
3.2. , . R1 = 1 , .
3.3. , I U. , . , . 1 f = f0 (), I, UL, UC, UR100 j0. R1 1 , mV.
1
| f, | U, | I, mA | UL, | UC, | UR100, | j0 |
| f 0,5 =. | ||||||
| f = .. | ||||||
| f + 0,5 =. |
3.4. 0,5 , U 10 . . 3.3 1.
3.5. 0,5 . , 1.
3.6. . ( ) , . j0=1800/6 = 300.
, , 300/5=60. , , .. 60. . j0, .
3.7. ():
U
Z =,
I
3.8. , :
Z = R = R100 + R1 + RL,
3.9. :
|
|
|
UL
ZL = XL = ZL2 RL2 XL []= 2pf×L []
I
3.10. :
UC 1
XC = =,
I 2pf×C
3.11. :
U = I × (RL + 101) cosj = UA / U,
2.
2
| Z | ZL | RL | XL | L | XC | C | U | cos j |
