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3

3

 

1, 6

 

1. I = 50

, 1.

.

R = 10 . .1

 

2. , ( = 0,01 ), , , pm = 1,6 10 - 14 2.

 

3. I = 5 A ( = 0,4 ). S = 200 2. , , α = 60. .

 

4. m = 5 , . ( = 0,2 ) , . Q, , , , , .

 

5. φ ,

X 1 =0,02 Sin (5π t + π/2), () X 2 =0,03 Sin (5π t + π/4), ().

.

 

6. φ , , , 4

 

 

3

2,7

.1

 

2. U = 800 , = 50 , h = 6 . .

m = 1.67 10- 27 , q = 1,6 10- 19 .

 

3. - , , . - . - ; .

 

4. = 1 I =1 r =1. , , , . . , , . R =10

 

5. U = 50 Cos (104π t),(). C =0,1. T, L, q (t), I (t).

 

6. λ0 = 310. max -, λ = 200.

 

3

3,8

3. I 2 I (I = 100 A). (.1). d = 10 .

 

.1

 

2. U = 300 , . 젠 R = 1 h = 4 . .

 

3., N = 200 , , . S = 50 2. ( = 0,05 ). ε max, n = 40 -1.

 

4. r = 4, R =0,01, =0,04. α = 60 . , .

 

5. = 405, L =10 R = 2. ?

 

6. , n = 600 , . , , . , L = 1,2 .

λ = 780 λ = 500 .

 

 



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