Roboguru

Suatu kawat berarus listrik dilengkungkan seperti ...

Suatu kawat berarus listrik dilengkungkan seperti gambar. Jika jari-jari lengkungan a = 30 cm, maka besarnya induksi magnetik di pusat lingkaran adalah .... open parentheses mu subscript 0 equals 4 pi space x space 10 to the power of 7 space W b. m to the power of negative 1 end exponent A to the power of negative 1 end exponent close parentheses

  1. 0 comma 83 pi space x space 10 to the power of negative 7 end exponent space T

  2. 2 comma 50 pi space x space 10 to the power of negative 7 end exponent space T

  3. 3 comma 30 pi space x space 10 to the power of negative 7 end exponent space T

  4. 3 comma 30 pi space x space 10 to the power of negative 5 end exponent space T

  5. 2 comma 50 pi space x space 10 to the power of negative 5 end exponent space T

Jawaban:

Diketahui : 

straight I equals 0 comma 5 space straight A  straight a equals 30 space cm equals 0 comma 3 space straight m

Maka besarnya induksi magnetik di titik P adalah

B equals fraction numerator open parentheses 360 to the power of o minus 90 to the power of o close parentheses over denominator open parentheses 360 to the power of o close parentheses end fraction x fraction numerator mu subscript 0 I over denominator 2 a end fraction  B equals 270 to the power of o over 360 to the power of o x fraction numerator open parentheses 4 pi space x space 10 to the power of negative 7 end exponent close parentheses open parentheses 0 comma 5 close parentheses over denominator open parentheses 2 close parentheses open parentheses 0 comma 3 close parentheses end fraction  B equals 3 over 4 x fraction numerator 2 pi space x space 10 to the power of negative 7 end exponent over denominator 0 comma 6 end fraction  B equals 2 comma 5 pi space x space 10 to the power of negative 7 end exponent T

0

Ruangguru

RUANGGURU HQ

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

Coba GRATIS Aplikasi Ruangguru

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ikuti Kami

©2021 Ruangguru. All Rights Reserved