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(1)





 

אאא

אאא

אא

אא

 

164 164

 

 

 

(2)



 

  

،،אא،א W

 

 

 

אאאא

אאאאא

אא،אאאאאא

א

אאאאא

אאאאאא

W

א

אא

K

 

 



אאאאאאא

א،אאא

אאאאאא، 

א

א،אאאא

אאא

אא

אאאאאאא

אא،א

א

אא،א K

 

 

אא

?



אא







א



אא

?

 

 

?

 

 ?

 א א א 

 

  

אאאאאא K

 

 

אאאאאאא

،א،אאאא



אאאאא

K

 

 

אאא א

W



א K

 

 

אאאא

 

(3)



 

 





אאא

א

אא

אאא

K

אאא





אא

K

אאאאאא

אאאא

א

א

K

אאאא

א



אאאאאא



א

אא

K

 

 

א







א

W

 

 J1





K

 

 J2

אאא



K

 J3

א

K

 

א،אא







אא

אא

אאאא،

א

אאא



אאאא



אאאא



K

 

 

אאאא،אא





א

א

،

אאאאא



אאא K

 

 

אא

K

אאא

אאא

،

א

אאא

אאאאאאא،

(4)

אאאאא

K

אאאאאא

741

א

אא555

א

7805 LM317

א



א

אאא K

 

 

אאאאאא

אא

،

א

א





א



א





K

 

 

אאאאאאאא









אאאאאאא

א

K

 

 

 

(5)
(6)









אאאאא

אאאאא

  

1

(7)

אא

W





 

אא

W





אאא



א

K

 

 

א



א

W

 

אא



א

W

 

1

אאא -

אא



K

2

אאאאאאאאא - K

3

אאאאא -

K

 

4

אאא -



א

K

5

אאא - 6

 -

אאאא





K

7

א -



אא

K

8

אא -



K

9

אאאאאא - F

א KE

10

אא -



K

 

אאא

W

 

 J

אא

K٪90

 

 J

א

٪100

א

K

 

 

אא W

א6

 

 

אא W

 

 

1

-

אאאא K

 

2

אאאא- K

 

3

א-

אאאא





Electronic workbench

 K

(8)

אא

W

אאא



 

אאאאאאאאא



،

אא

אא K

 

 

1 - 1 -

א1

Resistances

א



א



א



אאאאא



،

א

K

אאא

W

 

1

א-

א

(Ω) (MΩ , kΩ)



F



1000 E



F



KE

 

2

אאא-

אאאא(W)

אא

W

 

 

R / P

I=  (1-1)

 



P

אא

א

(W)



אאI

(A)

אאאR

K(Ω)

 

3

אאאאאא- K

 

 

أ

-

אא

 

א

א K



אאא K



) 1 - 1

א(

K

 

   א(1-1)

(9)

אא



K



א

אא



אא K

 

 

    אא   אא  EאFאאא

אא

 



± 2 %

  



0.01 ×



0



 

0



± 5 %

  



0.1 ×

  



 

1



 

1



± 10 %

  



 1 ×



2



 

2



± 20 %

  



 

 10 ×



3



 

3

 

 



100 ×

  



4



 

4

 

 



1000 ×

 



5



 

5

 

 



10,000 ×



 

6



 

6

 

 



100,000 ×



7



7

 

 



 

1000,000 ×



8



 

8

 

 

 



9



 

9



) 1 - 1

אא(

 

א

אאא





W



 

א F

אא

א

E

אא

אא ×

אא

R =

 



אא

) 1 - 1

אאא(

K

 

א

א







 

= 47000 Ω

± 5%

1000 7

4

R=

(10)

ب

א -

א



Thermistors

 



א

אאאא

K



א

א

W

אא

(NTC)

אאאא



א

(PTC)

אאאא

K

 

 

ـﺟ

-

א

 







א



K



אאא

(L)

א

،(d)

א



א

K

אא

א

אR

W(Ω)

 

 

A

R =ρ L (1-2)

 



ρ

אא

،Ω.m

אL

،(m)

 A



אא

(m2)

K

אא

) 1 - 2

(

אאא

א

K

 

 

א

 

אא

 ρ

(Ω.m)

א  

 

אא

 ρ

(Ω.m)

  1.72×10-8 א  2.75×10-8 א

א

1.62×10-8

א   10.6×10-8

 



) 1 - 2

אאא(

 

 



 











אא





220V





K110V

אא

א

אאאא



0.3 mm



900 m

KK

 

 

 

(11)

א

 

א

 

m2 10 6 069 . 7 2 1000

3 4 d2

A 4 = ×

π π =

=



אאא

 ) 1 - 2

 (

1.72 × 10-8

א

(1-2)

W

 

A

R =ρL =

10 6 069 . 7 8 900 10 72 .

1 × × × = 219 Ω

 

د

-

א

 

אאאאא



א

אא

K

 

1

אאא -



) 1 - 2

אא،אאא(





אאא





אאאא

W

 

  3

2 1

T U U U

U = + + (1-3)

אאאאא

(Req)

א

W

 

 

3 2 1

eq R R R

R = + + (1-4)

 

   



) 1 - 2

אאא(

 

2

אאא -



) 1 - 3

،אאא(



אאא

אא،אא

W

  3

2

1 I I

I

I= + + (1-5)

(12)

אאאאא

(Req)

א

W

 

 

3 2 1

eq R

1 R

1 R

1 R

1 = + + (1-6)

   אא(3-1)

 



א

אאא

א

K

 

א

א

R2



R3

אאאאא

R1

K

 

× =

= +

=

+

= 142.8

700 500 R 200

R R

R R R

R 1 R

1 R

1

1 eq 3

2 3 1 2

eq 3

2 1

eq

= +

= +

=R R 100 142.8 242.8 Req 1 eq1

(13)

1 - 1 -

א2



Capacitors

אאא









K



א





) 1 - 4

،(

א

א

W

 

 

 J

אא

 

 J אא



 

 J

אא

 

 

  (4-1)

أ

אאא-

 

 J

אא



 

 J

אאא

 J

א



א

 

 J

אאאא

 

 

אאא

W

 

1

אא -

(F)

אא

 F(µF)

אאא

E

אא

F(nF)

אאא

E

אא

 F(pF)

אא

KE

 

2

אאאא -

א



 K(V)

 

3 א -



אא

אאא

א

K

 

 

ب

-

אא

 

א

אא



א

،

) 1 - 5

אא(

K



אאא

W

 

 

(14)

1

אאא-

W

אא





K

אאאא





א

K

 

2

אא-



F

א

E

אא





א

K



K

 

 

  אא(5-1)

 

ـﺟ

-

א

 

אא



אאאאא

אאא

K

א



א







א

אאאא



K





אאא



אאא

אא

א

K

א



אאאאאא



אא

K

 

1

אאא -

אאא





) 1 - 6

א،אאא(

(1-7)

אא

א

אאא

W

 

 

3 2 1

eq C

1 C

1 C

1 C

1 = + + (1-7)

  אאא(6-1)

(15)

2

אאא -

אאא

 



) 1 - 7

،אאא(

א

(1-8)

א

אאאא

W

 

  3

2 1

eq C C C

C = + + (1-8)

 



) 1 - 7

אאא(

 

 

د

אאאא -



א

(Reactance)





אאאא



א

K(Ω)

אא

W

 

fC 2

1 I

X V

C

C = C = π (1-9)



Xc



א

(Ω)

f

אא

(Hz)

א C



K(F)

 

 



 

 



100 nF

א





240 V

،

50 Hz

K

א



אאא



K

 

 

(16)

א

 

אא

(1-9)

W

 

× =

×

×

= π 31831

10 100 50 2

Xc 1 9





א

 

mA 5 . 7 I 00754

. 31831 0

240 X

I V c

c c

c = = = =

1 - 1 -

א3



Inductors

אאאא



א



K



א

א



אא



F

א



E



) 1 - 8

.(













אאא

א

K

א

א(L)

אאאאא

א

W(H)

 

 

l A L N

2

µo

= , (1-10)

D2 A= 4π



N

،א

A



(m2)

،

אl

،(m) µo

אא

(H/m)

K

 

 



) 1 - 8

א(

 



 

א



א

אא

3 cm 10 cm



؟20

K



µo=4π×10-7 H/m

 

(17)

א

א

(1-10)

l A L N

2

µo

=

H 10

55 . 1 3

. 0

03 . 40 20 10 4

L 6

2 2

7

= ×

×π

× π

=

 

أ

-

אאא

 

אאא -

 

אא -

אא -



 

 

ب

-

א

 

אאאאא

אא

K

 



) 1 - 9

אאא(

1

אאא -



) 1 - 9

א،אאא( (1-11)

אא

אאא

א K

 

 

  3

2 1

eq L L L

L = + + (1-11)

(18)

2

אאא -

 



) 1 - 10

אא،אאא( Leq

א

(1-12)

W

 

 

3 L

1 L

1 L

1 L

1

2 2 eq

+ +

= (1-12)

 



) 1 - 10

אאא(

 

ـﺟ

-

אאאא

 

א

(Reactance)

א



אאא

،



K

אא

W

 

 

fL I 2

X V

L

L = L = π (1-13)

 



XL

א

،(Ω)

אf (Hz)

،

אL

K(H)

 

 

1 - 1 -

אאאאאאא4

 

אאאאאאאא

אא

אאא

90o

אאאא

90o

،



F

 J1

E11

א

K

א



K

אאא

אא

W

 

  2

C L

2

eq R (X X )

X = +

(1-14)

(19)



אאאאאאא

W

 

2

L C

eq 2

X 1 X

1 R

1 X 1

⎟⎟

⎜⎜

+

= (1-15)

  אאאאאא(11-1)

 



 



220 V



50 Hz

א

אא

W

R=100 Ω, C=100 µF, L=10 mH

K

א

אאא

K

 

א

،

א

(1-14)

W

 

 

× =

×

×

= π

= π 31.8

10 100 50 2

1 fC

2

XC 1 6

=

×

×

× π

= π

=2 fL 2 50 10 10 3.14

XL 3

=

+

=

+

= R (X X ) 100 (3.14 31.8) 104

Xeq 2 L C 2 2 2

(20)

 



א

אאא

50 Hz





אא

K

אא W

 

C=100 µF, L=10 mH

   א



W

 

× =

×

×

= π

= π

6 67.73 10

47 50 2

1 fC

2 1 XC

=

×

×

× π

= π

=2 fL 2 50 10 10 3 3.14 XL

=

=

=

= 3.28

73 . 67

1 13 . 3

1 1

XC 1 XL

1 1 2

XL 1 XC

1 1 Xeq

 

 

 

 

 

 

 

 

 

 

 

 

Referensi

Dokumen terkait

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