Kemagnetan
Quiz
•
Science
•
9th Grade
•
Medium
Renilda Aphua
Used 5+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jumlah lilitan primer trafo 5 kali jumlah lilitan sekunder. Trafo dihubungkan dengan tegangan PLN 220 V dan menghasilkan arus keluaran 2 A. Tegangan sekunder dan arus primer trafo tersebut adalah….
Vs = 1100 volt dan Ip = 10 A
Vs = 1100 volt dan Ip = 0,4 A
Vs = 44 volt dan Ip = 0,4 A
Vs = 44 volt dan Ip = 10 A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alat yang menggunakan prinsip elektromagnet adalah.....
radio listrik dan telepon
bel listrik, televisi dan relai
pesawat telepon dan radio listrik
bel listrik, pesawat telepon dan relai
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada kaidah tangan kanan, jari yang menggenggam menunjukkan... .
arah arus
garis gaya magnet
kutub utara
arah medan magnet
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magnet yang berbentuk tapal kuda (ladam) adalah....
5.
MULTIPLE CHOICE QUESTION
20 sec • 4 pts
Benda yang mempunyai kemampuan ditarik oleh magnet tetapi dengan kekuatan lemah adalah….
Logam besi
Logam alumunium
Kaca
kayu
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Pada sebuah transformator terdapat kumparan primer yang mempunyai 1200 lilitan dan kumparan sekunder yang mempunyai 1000 lilitan. Jika arus primer 4 A, maka kuat arus sekunder adalah …
4,8 A
1 A
2 A
3,3 A
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ciri dari trafo step-up adalah …
tegangan primer lebih besar daripada tegangan sekunder
lilitan primer lebih banyak daripada lilitan sekunder
tegangan primer lebih kecil daripada tegangan sekunder
lilitan primer sama dengan lilitan sekunder
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