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krutoj79
@krutoj79
March 2022
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Помогите решить плизз!!!!............
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IUV
Verified answer
R12=6+2=8 ом
R34=4+4=8 ом
R1234= 8*8/(8+8)=4 ом
R12345 = 4+8 = 12 ом
R78=10*15/(10+15)=6 ом
R678=14+6=20 ом
R0=R12345678=12*20/(12+20)=7,5 ом
I0=U0/R0=180/7,5 = 24 А
P0=U0*I0=180*24= 4320 Вт
I1234 = U0/R12345 = 180 / 12 = 15 А
U1234 = I1234 * R1234 = 15*4 = 60 В
I1=U1234 / R12 = 60/8 = 7,5 А
U1=I1*R1= 7,5 * 6 = 45 В
I78=I6=I678 = U678/R678 = U0/R678 = 180 / 20 = 9 А
U8=U78 = I78*R78= 9*6 = 54 В
I8=U8/R8=54/15 = 3,6 А
P8=I8*U8= 194,4 Вт
ответ
R0 = 7,5 ом
I0-I8=20,4 А
U1-U8=-9 В
P0-P8= 4125,6 Вт
1 votes
Thanks 1
krutoj79
Щас буду переписывать и разбирать! Спасибо большое!
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Answers & Comments
Verified answer
R12=6+2=8 омR34=4+4=8 ом
R1234= 8*8/(8+8)=4 ом
R12345 = 4+8 = 12 ом
R78=10*15/(10+15)=6 ом
R678=14+6=20 ом
R0=R12345678=12*20/(12+20)=7,5 ом
I0=U0/R0=180/7,5 = 24 А
P0=U0*I0=180*24= 4320 Вт
I1234 = U0/R12345 = 180 / 12 = 15 А
U1234 = I1234 * R1234 = 15*4 = 60 В
I1=U1234 / R12 = 60/8 = 7,5 А
U1=I1*R1= 7,5 * 6 = 45 В
I78=I6=I678 = U678/R678 = U0/R678 = 180 / 20 = 9 А
U8=U78 = I78*R78= 9*6 = 54 В
I8=U8/R8=54/15 = 3,6 А
P8=I8*U8= 194,4 Вт
ответ
R0 = 7,5 ом
I0-I8=20,4 А
U1-U8=-9 В
P0-P8= 4125,6 Вт