PTS medan magnet, Bioetknologi dan ATOM

Quiz
•
Science
•
9th Grade
•
Medium
Ida sulistiorini
Used 2+ times
FREE Resource
50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magnet berikut ini yang bekerja dengan memanfatkan medan magnet bumi adalah ....
MAGNET U
MAGNET JARUM
MAGNET BATANG
MAGNET LADAM
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hewan –hewan berikut ini yang menfaatkan kemagnetan bumi untuk melakukan navaigasi adalah....
GURITA
KEPITING
IKAN TUNA
LOBSTER DURI
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peralatan berikut yang menafaatkan prinsip elektromagnetik adalah
Kipas Angin
Jam Tangan
Lampu Listrik
Kompor listrik
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan gambbar berikut ini !
Gambar diatas cara pembuatan magnet dengan cara.....
Induksi
Elektromagnetik
Mengosok
Memanaskan
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sepotong kawat sepanjang 60 cm berada dalam medan magnet yang berkekuatan 2500 Wb/m2. Besarnya gaya lorentz yang terjadi jika kawat tersebut berarus listrik 300 miliampere adalah....
500 N
125 N
75 N
45 N
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebuah transformator mempunyai kumparan primer dan sekunder dengan jumlah lilitan masing – masing 500 dan 5000, dihubungkan dengan jaringan bertegangan arus bolak –balik 220 V, berapakah tegangan keluarnya ...
110 V
220 V
2200 V
2200 V
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebuah tarfo arus primer dan sekundernya masing – masing 0,8 A dan 0,5 A jika jumlah lilitan primer dan sekunder masing – masing 100 dan 800, berapakah efisiensi trafo.....
30 %
40 %
50 %
60 %
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