Iklan

Iklan

Pertanyaan

Kawat 10 m terdiri atas 5 m tembaga disambungdengan 5 m aluminium dengan diameter yangsama (2 mm).Beda potensial sebesar 100 voltdiberikan melintasi kawat campuran tersebut.Tentukan besar aruslistrik yang meialuikawat.

Kawat 10 m terdiri atas 5 m tembaga disambung dengan 5 m aluminium dengan diameter yang sama (2 mm). Beda potensial sebesar 100 volt diberikan melintasi kawat campuran tersebut. Tentukan besar arus listrik yang meialui kawat.space

Iklan

W. Diana

Master Teacher

Mahasiswa/Alumni Universitas Negeri Padang

Jawaban terverifikasi

Iklan

Pembahasan

R subscript a l u end subscript equals fraction numerator rho subscript a l u space end subscript l over denominator A end fraction space space space space space space space equals fraction numerator 2 comma 65 cross times 10 to the power of negative 8 end exponent cross times 5 over denominator begin display style 1 fourth open parentheses 3 comma 14 close parentheses open parentheses 2 cross times 10 to the power of negative 3 end exponent close parentheses squared end style end fraction space space space space space space space equals fraction numerator 2 comma 65 cross times 10 to the power of negative 8 end exponent cross times 5 cross times 4 over denominator begin display style 3 comma 14 cross times 4 cross times 10 to the power of negative 6 end exponent end style end fraction space space space space space space space equals fraction numerator 53 cross times 10 to the power of negative 2 end exponent over denominator begin display style 12 comma 56 end style end fraction space space space space space space equals 4 comma 2 cross times 10 to the power of negative 2 end exponent space straight capital omega  R subscript t e m end subscript equals fraction numerator rho subscript t e m space end subscript l over denominator A end fraction space space space space space space space equals fraction numerator 1 comma 72 cross times 10 to the power of negative 8 end exponent cross times 5 over denominator begin display style 1 fourth open parentheses 3 comma 14 close parentheses open parentheses 2 cross times 10 to the power of negative 3 end exponent close parentheses squared end style end fraction space space space space space space space equals fraction numerator 1 comma 72 cross times 10 to the power of negative 8 end exponent cross times 5 cross times 4 over denominator begin display style 3 comma 14 cross times 4 cross times 10 to the power of negative 6 end exponent end style end fraction space space space space space space space equals fraction numerator 34 comma 4 cross times 10 to the power of negative 2 end exponent over denominator begin display style 12 comma 56 end style end fraction space space space space space space equals 2 comma 7 cross times 10 to the power of negative 2 end exponent space straight capital omega  R subscript t o t end subscript equals open parentheses 4 comma 2 plus 2 comma 7 close parentheses cross times 10 to the power of negative 2 end exponent equals 6 comma 9 cross times 10 to the power of negative 2 end exponent space straight capital omega  I equals V over R subscript t o t end subscript equals fraction numerator 100 over denominator 6 comma 9 cross times 10 to the power of negative 2 end exponent space end fraction equals 14 comma 5 cross times 10 squared space straight A space

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

1

Iklan

Iklan

Pertanyaan serupa

Melalui sepotong kawat penghantar hambatan 0 , 1 kΩ mengalir arus 2 ampere sehingga besarnya beda potensial adalah ..

25

4.5

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia