Question
1
Apa perbedaan utama antara hard iron dan soft iron?
What is the main difference between hard iron and soft iron?
Options
a
Hard iron mempertahankan magnetisme setelah dikeluarkan dari medan magnet, sedangkan soft iron kehilangan magnetisme.
Hard iron retains its magnetism after being removed from a magnetic field, whereas soft iron loses its magnetism.
b
Soft iron mempertahankan magnetisme setelah dikeluarkan dari medan magnet, sedangkan hard iron kehilangan magnetisme.
Soft iron retains its magnetism after being removed from a magnetic field, whereas hard iron loses its magnetism.
c
Hard iron hanya dapat magnetisasi sementara, sedangkan soft iron tidak dapat dimagnetisasi.
Hard iron can only be magnetized temporarily, whereas soft iron cannot be magnetized.
d
Soft iron digunakan untuk koreksi deviasi kompas, sedangkan hard iron tidak.
Soft iron is used for compass deviation correction, whereas hard iron is not.
Grade
Hard
Last Update
25 Jun 2026 13:29
By Rudiana
Question
2
Mengapa memahami medan magnet Bumi penting dalam navigasi kapal?
Why is it important to understand the Earth’s magnetic field in ship navigation?
Options
a
Untuk mengoreksi deviasi kompas dan memastikan navigasi yang akurat.
To correct compass deviation and ensure accurate navigation.
b
Agar kapal dapat bergerak lebih cepat.
So that the ship can move faster.
c
Agar kompas lebih ringan.
So that the compass becomes lighter.
d
Untuk menyesuaikan alat navigasi secara otomatis.
To adjust navigational instruments automatically.
Grade
Medium
Last Update
25 Jun 2026 13:30
By Rudiana
Question
3
Apa tujuan dari memahami prinsip dasar magnetisme dalam navigasi kapal?
What is the purpose of understanding the basic principles of magnetism in ship navigation?
Options
a
Membantu memahami cara kerja kompas magnetik.
To help understand how the magnetic compass works.
b
Agar dapat membuat kompas yang lebih besar.
So that a larger compass can be made.
c
Menentukan kecepatan kapal.
To determine the ship’s speed.
d
Mengukur suhu air laut.
To measure seawater temperature.
Grade
Easy
Last Update
25 Jun 2026 13:31
By Rudiana
Question
4
Apa yang dimaksud dengan deviasi dalam konteks kompas?
What is meant by deviation in the context of a compass?
Options
a
Penyimpangan arah kompas akibat pengaruh magnetik lainnya.
A deflection of the compass direction caused by other magnetic influences.
b
Kekuatan medan magnet di Bumi.
The strength of the Earth’s magnetic field.
c
Arah kompas yang benar tanpa pengaruh medan magnet.
The correct compass direction without magnetic influence.
d
Arah kompas yang dihasilkan oleh kutub Bumi.
The compass direction produced by the Earth’s poles.
Grade
Medium
Last Update
25 Jun 2026 13:32
By Rudiana
Question
5
Apa tujuan utama dari penggunaan kompas gyro dalam navigasi kapal?
What is the main purpose of using a gyro compass in ship navigation?
Options
a
Untuk membandingkan arah kapal dengan kompas magnetik.
To compare the ship’s heading with the magnetic compass.
b
Untuk mengukur kecepatan kapal.
To measure the ship’s speed.
c
Untuk meningkatkan efisiensi mesin kapal.
To improve the ship’s engine efficiency.
d
Untuk menggantikan sistem kemudi manual.
To replace the manual steering system.
Grade
Easy
Last Update
25 Jun 2026 13:32
By Rudiana
Question
6
Apa yang dimaksud dengan posisi end-on pada medan magnet?
What is meant by the end-on position in a magnetic field?
Options
a
Arah medan yang sejajar dengan magnet.
The field direction is parallel to the magnet.
b
Arah medan yang tegak lurus terhadap magnet.
The field direction is perpendicular to the magnet.
c
Arah medan yang berlawanan dengan magnet.
The field direction is opposite to the magnet.
d
Arah medan yang mengarah ke kutub magnetik.
The field direction points toward the magnetic pole.
Grade
Medium
Last Update
25 Jun 2026 13:34
By Rudiana
Question
7
Bagaimana medan magnet Bumi berperilaku di kutub utara magnetik?
How does the Earth’s magnetic field behave at the North Magnetic Pole?
Options
a
Medan vertikal ke bawah.
The field is vertically downward.
b
Medan horizontal.
The field is horizontal.
c
Medan vertikal ke atas.
The field is vertically upward.
d
Medan miring ke bawah.
The field is inclined downward.
Grade
Easy
Last Update
25 Jun 2026 13:34
By Rudiana
Question
8
Apa yang dimaksud dengan kemiringan (dip) dalam medan magnet Bumi?
What is meant by dip in the Earth’s magnetic field?
Options
a
Sudut di mana garis gaya medan miring terhadap horizontal.
The angle at which the lines of magnetic force are inclined to the horizontal.
b
Perbedaan antara kutub merah dan kutub biru.
The difference between the red pole and the blue pole.
c
Perubahan arah kompas setiap tahun.
The annual change in compass direction.
d
Jarak antara kutub magnetik utara dan selatan.
The distance between the north and south magnetic poles.
Grade
Hard
Last Update
25 Jun 2026 13:35
By Rudiana
Question
9
Di manakah medan magnet Bumi menunjukkan kemiringan vertikal ke atas?
Where does the Earth’s magnetic field show a vertical upward dip?
Options
a
Di Kutub Selatan Magnetik.
At the South Magnetic Pole.
b
Di Khatulistiwa Magnetik.
At the Magnetic Equator.
c
Di Belahan Bumi Magnetik Utara.
In the Northern Magnetic Hemisphere.
d
Di Kutub Utara Magnetik.
At the North Magnetic Pole.
Grade
Medium
Last Update
25 Jun 2026 13:36
By Rudiana
Question
10
Apa yang dimaksud dengan variasi kompas?
What is meant by compass variation?
Options
a
Perbedaan antara arah utara sejati dan utara magnetik.
The difference between true north and magnetic north.
b
Perubahan kekuatan medan magnet Bumi.
A change in the strength of the Earth’s magnetic field.
c
Penyimpangan kutub magnetik Bumi.
A shift in the Earth’s magnetic poles.
d
Perbedaan antara kutub merah dan kutub biru.
The difference between the red pole and the blue pole.
Grade
Easy
Last Update
25 Jun 2026 13:36
By Rudiana