KEMAGNETAN KELAS 9
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Apa itu magnet sementara?
Back
Magnet sementara adalah magnet yang hanya memiliki sifat kemagnetan dalam waktu tertentu dan akan kehilangan sifatnya setelah sumber magnetisasi dihilangkan.
2.
FLASHCARD QUESTION
Front
Sebutkan cara-cara pembuatan magnet!
Back
1. Menggosok 2. Induksi 3. Elektromagnetik
3.
FLASHCARD QUESTION
Front
Apa yang dimaksud dengan gaya Lorentz?
Back
Gaya Lorentz adalah gaya yang dialami oleh kawat penghantar yang dialiri arus listrik dalam medan magnet.
4.
FLASHCARD QUESTION
Front
Bagaimana cara menghitung kuat arus menggunakan gaya Lorentz?
Back
Kuat arus (I) dapat dihitung dengan rumus: I = F / (B * L), di mana F adalah gaya Lorentz, B adalah medan magnet, dan L adalah panjang kawat.
5.
FLASHCARD QUESTION
Front
Apa itu prinsip elektromagnet?
Back
Prinsip elektromagnet adalah fenomena di mana arus listrik yang mengalir melalui kawat dapat menghasilkan medan magnet di sekitarnya.
6.
FLASHCARD QUESTION
Front
Sebutkan alat yang menggunakan prinsip elektromagnet!
Back
1. Bel listrik 2. Pesawat telepon 3. Relai
7.
FLASHCARD QUESTION
Front
Apa yang ditunjukkan oleh jari yang menggenggam pada kaidah tangan kanan?
Back
Jari yang menggenggam menunjukkan arah medan magnet.
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