# Kuis Fisika Kemagnetan Kelas 9

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Questions: 15 | Attempts: 4,469

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Kerjakan soal dengan teliti dan hati-hati ya...

• 1.

• 2.

### Bagian magnet yang mempunyai gaya tarik terbesar adalah...

• A.

• B.

• C.

• D.

Explanation
The correct answer is "pada kutub-kutubnya". The poles of a magnet are the areas where the magnetic force is the strongest. A magnet has two poles, the north pole and the south pole. These poles are located at the ends of the magnet, known as the "kutub-kutubnya" in Indonesian. Therefore, the areas with the strongest magnetic force are at the poles of the magnet.

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• 3.

### Pernyataan yang benar tentang sifat kutub magnet adalah kutub-kutub magnet yang sama akan tarik-menarik.

• A.

True

• B.

False

B. False
Explanation
The correct answer is False because the statement is incorrect. The correct statement about the nature of magnetic poles is that like poles repel each other, not attract. This means that if two magnets have the same pole facing each other, they will push away from each other rather than attracting.

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• 4.

### Berikut ini benda yang dapat dan tidak dapat ditarik magnet, benda yang dapat ditarik magnet antara lain ...

• A.

Diamagnetik

• B.

Elektromagnetik

• C.

Feromagnetik

• D.

Paramagnetik

B. Elektromagnetik
C. Feromagnetik
D. Paramagnetik
Explanation
The correct answer includes three types of materials that can be attracted to a magnet: elektromagnetik, feromagnetik, and paramagnetik. Elektromagnetik refers to materials that can become magnetic when an electric current is applied to them. Feromagnetik materials are naturally magnetic and can retain their magnetism even in the absence of an external magnetic field. Paramagnetik materials are weakly attracted to a magnetic field and can become magnetic when exposed to a strong magnetic field.

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• 5.

### Contoh benda yang bersifat magnetik dan nonmagnetik masing-masing secara berurutan adalah ...

• A.

Besi dan baja

• B.

Nikel dan besi

• C.

Baja dan seng

• D.

Seng dan bismuth

C. Baja dan seng
Explanation
Baja adalah benda yang bersifat magnetik karena mengandung besi sebagai salah satu komponennya. Sementara itu, seng adalah benda yang bersifat nonmagnetik karena tidak memiliki sifat tarik-menarik terhadap medan magnet.

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• 6.

### Bila ada tiga magnet batang, C kutub utara, B dengan C tarik menarik, serta D dengan E tolak menolak, jenis kutub magnet pada A dan F adalah...

A kutub utara, F kutub utara
A utara F utara
A dan F utara
A dan F kutub utara
A kutub utara F kutub utara
Explanation
The correct answer is "A kutub utara, F kutub utara". This means that the magnet A has a north pole and the magnet F also has a north pole. This is because the magnets C and B attract each other, indicating that C is a north pole and B is a south pole. Similarly, the magnets D and E repel each other, indicating that D is a south pole and E is a north pole. Therefore, the magnets A and F, being in the same configuration as C and B, will also have north poles.

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• 7.

### Membuat elektromagnetik dapat dilakukan dengan cara...

• A.

Melilitkan kawat menghantar pada besi atau baja

• B.

Mengalirkan arus AC melalui solenoide berinti logam

• C.

Mengalirkan arus DC melalui kumparan berinti besi

• D.

Mengalirkan arus searah melalui batang besi

C. Mengalirkan arus DC melalui kumparan berinti besi
Explanation
Electromagnets are created by passing an electric current through a coil of wire, which generates a magnetic field. The use of direct current (DC) is preferred because it creates a steady and constant magnetic field, unlike alternating current (AC) which constantly changes direction. The coil is typically wound around a core made of iron, as iron is a ferromagnetic material that enhances the magnetic field. Therefore, the correct answer is "mengalirkan arus DC melalui kumparan berinti besi" (passing a DC current through a coil with an iron core).

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• 8.

### 1. U==S--><--S==U 2. U==S<---->S==U3. U==S--><--U==S4. S==U--><--U==S Sifat magnet yang benar adalah...

• A.

2 dan 3

• B.

2 dan 4

• C.

1 dan 2

• D.

1 dan 4

A. 2 dan 3
Explanation
The correct answer is 2 dan 3. The given statements "U==SS==U" and "U==S-->

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• 9.

### Membuat magnet dengan cara digosok yang benar adalah...

• A.

Menggosok magnet batang kutub S secara bolak-balik pada batang besi dan menghasilakan magnet batang U==S

• B.

Menggosok magnet batang kutub S secara searah pada batang besi dan menghasilkan magnet batang U==S

• C.

Menggosok magnet batang kutub U seara bolak-balik pada batang besi dan menghasilkan magnet batang U==S

• D.

Menggosok magnet batang kutub U secara searah pada batang besi dan menghasilkan magnet batang U==S

D. Menggosok magnet batang kutub U secara searah pada batang besi dan menghasilkan magnet batang U==S
Explanation
The correct answer is "Menggosok magnet batang kutub U secara searah pada batang besi dan menghasilkan magnet batang U==S." This is because when we rub the U-shaped magnet in the same direction on the iron bar, it creates a magnetic field that aligns the domains in the iron, resulting in the formation of a magnet with the same polarity as the U-shaped magnet.

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• 10.

### Apabila dua buah kutub magnet sejenis berdekatan maka terjadi tolak menolak.

• A.

True

• B.

False

A. True
Explanation
When two similar magnetic poles (either both north or both south) are brought close to each other, they will repel each other. This is because the magnetic field lines of the two magnets are in the same direction, causing them to push away from each other. Therefore, the statement "Apabila dua buah kutub magnet sejenis berdekatan maka terjadi tolak menolak" is true.

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• 11.

### Orang yang menyatakan pertama kali bahwa bumi merupakan sebuah magnet adalah Wiliiam Gelbert.

• A.

True

• B.

False

A. True
Explanation
The statement is true because it states that William Gilbert was the first person to declare that the Earth is a magnet. William Gilbert, an English physician and natural philosopher, published a book in 1600 titled "De Magnete, Magneticisque Corporibus, et de Magno Magnete Tellure" (On the Magnet, Magnetic Bodies, and the Great Magnet of the Earth), where he presented his research on magnetism and proposed that the Earth itself is a giant magnet. His work laid the foundation for the modern understanding of Earth's magnetic field.

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• 12.

### Kutub magnet batang dalam keadaan bebas selalu menunjuk ke arah utara dan selatan bumi karena...

• A.

Letak kutub magnet bumi berada di kutub utara bumi

• B.

Letak kutub utara bumi berada di sekitar kutub utara bumi

• C.

Letak kutub bumi berada di kutub magnet bumi

• D.

Letak kutub selatan magnet bumi berada di sekitar kutub utara bumi

D. Letak kutub selatan magnet bumi berada di sekitar kutub utara bumi
Explanation
The correct answer is that the position of the south pole of the Earth's magnet is located near the north pole of the Earth. This is because opposite poles attract each other, so the north pole of a magnet is attracted to the south pole of another magnet. In this case, the north pole of the Earth's magnet is attracted to the south pole of the Earth's magnet, which is located near the north pole of the Earth.

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• 13.

### Daerah pada magnet yang gaya magnetnya terkuat disebut

kutub magnet
kutub dari magnet
kutub
Explanation
The correct answer is "kutub magnet, kutub dari magnet, kutub." This is because the question is asking for the term used to describe the region on a magnet where the magnetic force is strongest. The term "kutub magnet" literally translates to "magnetic pole" in English, which refers to the region on a magnet where the magnetic field lines converge or diverge. "Kutub dari magnet" means "pole of the magnet" and "kutub" simply means "pole." All three options accurately describe the region on a magnet where the magnetic force is strongest.

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• 14.

### Daerah pada magnet yang gaya magnetnya terkuat disebut

medan magnet
Explanation
The strongest region of magnetic force in a magnet is known as the magnetic field. This field is created by the alignment of magnetic dipoles within the magnet, causing a concentrated area of magnetic force. The magnetic field is responsible for attracting or repelling other magnetic materials and is the reason why magnets can exert a force on nearby objects.

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• 15.

### Dari bahan-bahan berikut, yang merupakan bahan magnetik adalah...

• A.

Gelas

• B.

Nikel

• C.

Besi

• D.

Kobalt

B. Nikel
C. Besi
D. Kobalt
Explanation
Nickel, iron, and cobalt are considered magnetic materials because they have unpaired electrons in their atomic structure. These unpaired electrons create a magnetic field and allow these materials to attract or repel other magnetic materials. On the other hand, glass is not a magnetic material as it does not have unpaired electrons and does not exhibit magnetic properties.

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• Current Version
• Mar 22, 2023
Quiz Edited by
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• Apr 21, 2015
Quiz Created by
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