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Pada rangkaian di bawah ini hitung berapa arus I C ​ , I B ​ dan I E ​ dengan besar V CE ​ = 6 V dan V CC ​ = 30 V !

Pada rangkaian di bawah ini hitung berapa arus  dengan besar !

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Diketahui : Dutanya : Soal ini dapat diselesaikan menggunakan hukum Kirchoff Loop : Loop : Hukum I Kirchoff: Jadi, nilai masing-masing arus listriknya adalah :

Diketahui :

V subscript C E end subscript equals 6 space straight V V subscript C C end subscript equals 30 space straight V R subscript C equals 2 cross times 10 cubed space straight capital omega R subscript E equals 1 cross times 10 cubed space straight capital omega R subscript B equals 299 cross times 10 cubed space straight capital omega

Dutanya : I subscript B comma space I subscript C comma space I subscript E

Soal ini dapat diselesaikan menggunakan hukum Kirchoff

Loop begin mathsize 14px style A C E A end style:

begin mathsize 14px style V subscript C C end subscript minus V subscript C E end subscript minus V subscript C minus V subscript E equals 0 V subscript C C end subscript minus V subscript C E end subscript minus R subscript C I subscript C minus R subscript E I subscript E equals 0 30 minus 6 minus 2 cross times 10 cubed I subscript C minus 10 cubed I subscript E equals 0 24 minus 2 cross times 10 cubed I subscript C minus 10 cubed I subscript E equals 0 2 cross times 10 cubed I subscript C plus 10 cubed I subscript E equals 24 horizontal ellipsis open parentheses 1 close parentheses end style   

Loop begin mathsize 14px style C D B C end style:

begin mathsize 14px style V subscript C B end subscript plus V subscript C minus V subscript B equals 0 open parentheses V subscript C E end subscript minus V subscript B E end subscript close parentheses plus R subscript C I subscript C minus R subscript B I subscript B equals 0 6 minus 0 plus 2 cross times 10 cubed I subscript C minus 299 cross times 10 cubed I subscript B equals 0 299 cross times 10 cubed I subscript B minus 2 cross times 10 cubed I subscript C equals 6 horizontal ellipsis open parentheses 2 close parentheses end style 

Hukum I Kirchoff:

I subscript E equals I subscript B plus I subscript C horizontal ellipsis open parentheses 3 close parentheses Substitusikan space open parentheses 3 close parentheses rightwards arrow open parentheses 1 close parentheses 2 cross times 10 cubed I subscript C plus 10 cubed open parentheses I subscript B plus I subscript C close parentheses equals 24 3 cross times 10 cubed I subscript C plus 10 cubed I subscript B equals 24 horizontal ellipsis open parentheses 4 close parentheses Eliminasi space open parentheses 2 close parentheses space dan space open parentheses 4 close parentheses 899 cross times 10 cubed I subscript B equals 66 I subscript B equals 66 over 899 cross times 10 to the power of negative 3 end exponent space straight A I subscript B equals 73 comma 4 cross times 10 to the power of negative 6 end exponent space straight A Substitusikan space I subscript B rightwards arrow open parentheses 4 close parentheses 3 cross times 10 cubed I subscript C plus 10 cubed open parentheses 73 comma 4 cross times 10 to the power of negative 6 end exponent close parentheses equals 24 I subscript C equals 7 comma 973 cross times 10 to the power of negative 3 end exponent space straight A Substitusikan space I subscript B space dan space I subscript C space rightwards arrow open parentheses 3 close parentheses I subscript E equals I subscript B plus I subscript C I subscript E equals 7 comma 97 cross times 10 to the power of negative 3 end exponent plus 73 comma 4 cross times 10 to the power of negative 6 end exponent I subscript E equals 8 comma 05 cross times 10 to the power of negative 3 end exponent space straight A    

Jadi, nilai masing-masing arus listriknya adalah :

bold italic I subscript bold B bold equals bold 73 bold comma bold 4 bold cross times bold 10 to the power of bold minus bold 6 end exponent bold space bold A bold italic I subscript bold C bold equals bold 7 bold comma bold 973 bold cross times bold 10 to the power of bold minus bold 3 end exponent bold space bold A bold italic I subscript bold E bold equals bold 8 bold comma bold 05 bold cross times bold 10 to the power of bold minus bold 3 end exponent bold space bold A 

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