Review Materi Kemagnetan: Gaya Lorentz, Induksi elektromagnet
Quiz
•
Physics
•
9th Grade
•
Hard
Retno Widyastuti
Used 3+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
sebuah kawat tembaga dengan panjang 20 m dialiri arus listrik sebesar 0,5 A. jika kawat tembaga tegak lurus berada dalam medan magnet sebesar 4 T maka gaya lorentz yang timbul sebesar
200 N
40 N
20 N
80 N
2.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Gaya lorentz pada sebuah kawat penghantar adalah 30 N. Jika panjang kawat 2 m dan medan magnetnya 5 T, maka besar kuat arus yang mengalir pada kawat tersebut adalah...
30 A
10 A
6 A
3 A
3.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Jika gaya lorentz dari kawat tembaga sepanjang 6 m dan dialiri arus listrik sebesar 12 mA adalah 36 N, berapa besar medan magnetnya....?
250 T
300 T
500 T
400 T
4.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Gaya lorentz yang ditimbukan oleh kawat tembaga yang berada dalam medan magnet 20 T dan dialiri arus listrik 0,6 mA adalah 30 N, maka panjang kawat adalah.....
250 m
200 m
100 m
220 m
5.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Sebuah kawat tembaga panjangnya 25 m berada dalam medan magnet sebesar 6 T. Jika gaya lorentz yang ditimbulkan sebesar 50 N, berapa kuat arus yang mengalir pada kawat?
0,25 A
0,23 A
0,33 A
0,30 A
6.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Kawat AB dengan panjang 40 cm digerakkan dalam medan magnet homogen sebesar 0,5 T dengan kelajuan 6 m/s. Tentukan besar GGL induksi kawat AB!
1,25 V
0,80 V
1,40 V
1,20 V
7.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Sebuah kawat sepanjang 20 cm bergerak pada medan magnet 2,5 T menghasilkan GGL sebesar 12,5 V. Berapa besar kelajuan gerak kawat?
25 m/s
22 m/s
30 m/s
15 m/s
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