SOAL ULHA 1 BAB KEMAGNETAN DAN BIOTEKNOLOGI
Quiz
•
Science
•
9th - 12th Grade
•
Hard
Shihanasta Aruri
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kutub-kutub magnet no 1, 2, 3, dan 4 yang terbentuk dalam gambar secara urut adalah....
S - U - U _ S
U - S - U - S
U - S - S - U
S - U - S - S
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cara membuat magnet seperti dalam gambar secara urut adalah,,,,
menggosok, induksi, induksi elektromagnet
induksi, menggosok, induksi elektromagnet
induksi elektromagnet, induksi, menggosok
menggosok, induksi elektromagnet, induksi
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika transformator bersifat ideal, besar arus sekunder dan tegangan primer secara berturut-turut adalah….
Is = 0,67 A dan Vp = 3 volt
Is = 0,67 A dan Vp = 4 volt
Is = 0,067 A dan Vp = 4 volt
Is = 0,067 A dan Vp = 3 volt
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balok besi KL dan MN didekatkan pada batang magnet seperti gambar. Ujung K-L-M-N secara berturutan menjadi kutub magnet ....
U-S-U-S
S-U-S-U
U-S-S-U
S-U-U-S
5.
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
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika perbandingan jumlah lilitan primer dan sekunder 10 : 1, kuat arus inputnya sebesar….
0,1 A
1,0 A
10 A
100 A
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kawat berarus listrik berada dalam medan magnet 60 tesla mengalami gaya Lorentz 12 N. Jika kawat itu berada dalam medan magnet 15 tesla, besar gaya Lorentz yang dialami kawat adalah....
4,8 N
48 N
0,3 N
3 N
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