
Materi Magnet
Authored by Dwi Waryanti
Science
4th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan asal usulnya magnet dibedakan menjadi dua jenis, yaitu …
magnet buatan dan magnet alam
magnet ladam dan magnet batang
magnet jarum dan magnet lingkatan
magnet silinder dan magnet jarum
Answer explanation
Jenis magnet ada 2 yaitu magnet buatan dan magnet alami.
magnet buatan adalah magnet yang dibuat oleh manusia dari bahan besi maupun baja.
Magnet alami yaitu magnet alam yang ada di dalam bumi, berada di kutub utara dan kutub selatan bumi.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini adalah benda yang bersifat Feromagnetik yaitu....
besi
kayu
plastik
alumunium
Answer explanation
Sifat Kemagnetan :
1. Feromagnetik
benda yang dapat ditarik kuat oleh magnet: besi
2. Paramagnetik
benda logam yang dapat ditarik magnet namun lemah.
contohnya alumunium
3. Diamagnetik
Benda yang tidak bisa ditarik magnet
seperti kertas, plastik, karet, dan kayu.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagian yang ditunjuk anak panah disebut...
medan magnet
kutub magnet
garis - garis
magnet alami
Answer explanation
Daerah disekitar magnet yang masih dipengaruhi gaya magnet, disebut medan magnet.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
garis gaya magnet yang rapat, akan menunjukkan medan magnet yang...
lemah
biasa
kosong
kuat
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
berikut bukan cara menguatkan magnet, yaitu...
dialiri arus DC
dibakar
dibanting
dialiri arus AC
Answer explanation
Kekuatan magnet akan melemah bahkan hilang jika:
1. dibanting
2. dibakar
3. dialiri arus AC
Karena dalam pembuatan magnet secara elektromagnetik, dialiri arus DC, maka untuk menghilangkan kemagnetannya dengan cara dialiri arus AC
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Letak magnet alam ada di ...
kutub utara dan kutub selatan bumi
garis khatulistiwa
di wilayah Inggris
U dan S pada magnet
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kutub selatan magnet dengan kutub selatan magnet jika didekatkan akan...
tarik menarik
tolak menolak
panas
rusak
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