Asesmen Kemagnetan
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Hard
Peserta 05266
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Seutas kawat panjang berarus listrik I tampak seperti pada gambar berikut. Jika medan magnet yang timbul di titik P sebesar B, maka medan magnet di titik Q bernilai …..
3B
2B
B
1/2 B
1/3 B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada gambar berikut, kawat I pada bidang XOY sejajar sumbu X dan berarus listrik I. Arah induksi medan magnetik di bawah kawat searah sumbu ……
Z+
Y+
Z-
Y-
X-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kawat A dan B berjarak 20 cm dengan kawat A dialiri arus sebesar 6A dan kawat B dialiri arus sebesar 10 A. Maka arah dan nilai kuat medan magnet di titik P yang berjarak 10 cm di sebelah kanan kawat B adalah ……
8 x 10-6 Tesla dan masuk bidang gambar (cross)
16 x 10-6 Tesla dan masuk bidang gambar (cross)
24 x 10-6 Tesla dan masuk bidang gambar (cross)
16 x 10-6 Tesla dan keluar bidang bidang gambar (dot)
24 x 10-6 Tesla dan keluar bidang bidang gambar (dot)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Perhatikan gambar berikut!
Jika kawat melingkar memiliki jari-jari 20 cm dan dialiri arus 8 A, maka nilai medan magnet di pusat lingkaran sebesar …. Tesla
2π x 10-6
A. 4π x 10-6
8π x 10-6
2π x 10-5
8π x 10-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan gambar berikut!
Jika kawat berarus I searah Y+ memasuk medan magnet Z+, maka gaya Lorentz yang dihasilkan akan searah sumbu ….
X+
Z+
X-
Y-
Z-
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu penghantar lurus 20 cm yang berarus listrik sebesar 5 A diletakkan pada medan magnet homogen sebear 10 T. Jika sudut yang mengapit B dan I sebesar 60o. Maka pada penghantar kawat tersebut akan mengalami gaya Lorentz sebesar ….. Newton
2,0
5,0
10
20
40
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah elektron (qe = 1,6 x 10-19 C) bergerak dalam medan magnet homogen 10 T. Kecepatan elektron sebesar 8 x 105 m/s memotong garis gaya magnet dengan sudut 30o, maka gaya Lorentz yang dirasakan elektron tersebut sebesar …. Newton
1,6 x 10-13
3,2 x 10-13
6,4 x 10-13
3,2 x 10-14
6,4 x 10-14
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