Induksi Magnet dan Gaya Lorentz
Quiz
•
Physics
•
9th Grade
•
Practice Problem
•
Medium
syabaniah ratnawulansari
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satuan dari Gaya Lorentz adalah ...
Tesla
Ampere
Newton
Meter
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebuah kawat tembaga sepanjang 10 m, dialiri arus listrik sebesar 5mA. Jika kawat tersebut tegak lurus berada dalam medan magnet sebesar 8 Tesla. Berapakah gaya Lorentz yang ditimbulkan?
0,2 N
0,4 N
0,6 N
0,8 N
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada kaidah tangan kanan, ibu jari menunjukkan ...
arah medan magnet
kutub utara
garis gaya magnet
arah arus
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hans Christian Oersted (percobaan Oersted) berhasil menemukan bahwa ...
Disekitar medan magnet terdapat listrik
Disekitar magnet terdapat gaya
Disekitar arus listrik terdapat medan listrik
Disekitar kawat berarus listrik terdapat medan magnet
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gambar berikut yang menunjukkan arah medan magnet, kuat arus, dan gaya Lorentz yang benar sesuai dengan kaidah tangan kanan adalah ...
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kawat panjangnya 50 cm berada di dalam muatan magnet berkekuatan 20 T, apabila arus listrik yang mengalir pada kawat itu adalah 5 A, maka gaya Lorentz sebesar ....
500 N
75 N
50 N
25 N
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suatu alat memiliki kekuatan medan magnet sebesar 5 T dan kawatnya 100 cm sehingga menghasilkan gaya Lorentz sebesar 40 N. Maka kuat arus yang digunakan alat itu adalah ....
49 A
10 A
8 A
2 A
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