Iron fillings cling mainly round the ends of a bar magnet
The freely suspended bar magnet comes to rest in the geographic north-south direction
Like poles attract
Iodestone is a non-magnetic oxide
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The answer should be A since a freely suspended magnet will point in the magnetic north-south not geographic north-south
The south pole of this bar magnet is near the geographical north pole and north pole at the geographical south pole. Therefore, when a magnet is suspended freely, the magnetic poles of the earth attract the opposite poles of the magnet and the magnet comes to rest in the north-south direction.
THEREFORE B IS THE CORRECT ANSWER
The correct option is B.
This is because:
* A. Iron filings cling mainly round the ends of a bar magnet: This is true! The magnetic force is strongest at the poles (ends) of a bar magnet.
* B. The freely suspended bar magnet comes to rest in the geographic north-south direction: This is also true! A compass needle (which is a small magnet) aligns itself with the Earth's magnetic field, which is close to the geographic north-south direction.
* C. Like poles attract: This is false! Like poles (north-north or south-south) actually repel each other. Opposite poles (north-south) attract.
* D. Lodestone is a non-magnetic oxide: This is false! Lodestone is a naturally magnetic rock, and it's an oxide of iron.
So, both A and B are true statements about magnetism. However, the question asks "Which of the following is true of magnetism?" and only one option can be selected. In this context, option B is often considered a fundamental property used to define the direction of magnetic fields.
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A freely suspended magnet always comes to rest aligned with the Earth's magnetic field, pointing roughly towards the geographic north and south poles.
Here's a more detailed explanation:
Earth's Magnetic Field:
The Earth itself acts like a giant magnet, with a magnetic field that extends far into space.
Magnet Alignment:
A freely suspended magnet, like a compass needle, will align itself with the Earth's magnetic field lines.
North and South Poles:
The end of the magnet that points towards the geographic north is called the north pole, and the opposite end, pointing towards the south, is called the south pole.
Magnetic Compass:
This principle is the basis for how a magnetic compass works, allowing us to determine direction
Also, when you sprinkle iron filings around a magnet, they tend to cluster and align themselves at the poles, indicating that the magnetic field is strongest there.
Here's a more detailed explanation:
Magnetic Field Strength:
A magnet has a magnetic field, which is an area of influence where a magnetic force can be felt. This field is strongest at the poles (the ends of the magnet) and weaker in the middle.
Iron Filings as Indicators:
Iron filings are tiny pieces of iron, which are ferromagnetic materials (meaning they can be magnetized). When placed near a magnet, the iron filings become temporarily magnetized and align themselves with the magnetic field lines.
Filings Aligning at Poles:
Because the magnetic field is strongest at the poles, the iron filings are attracted to and cluster around those areas. This creates a visible pattern that shows the shape and direction of the magnetic field lines.
Visualization of Magnetic Field:
By observing the pattern of the aligned iron filings, you can visualize the magnetic field around a magnet, including the location of the poles and the strength of the field.
So, I really can't tell which one is the right answer, A and B seems to be correct.
Myschool please do take note that the magnetic field is srtonger at the ends of the magnet so A is correct
and besides, a freely suspended magnet comes to rest and the MAGNETIC NORTH AND SOUTH POLE not the geographic north and south pole.
The answer is A.
Iron fillings are often used to visualize magnetic field lines. When sprinkled around a bar magnet, the iron fillings tend to accumulate around the ends of the magnet, known as the poles. This demonstrates the concentration of magnetic field lines around the poles of the magnet.
It cannot be B as;
A freely suspended bar magnet aligns itself in the north-south direction, but this is with respect to the Earth's magnetic field, not necessarily the geographic north-south direction.
in true magnetism a freely suspended magnet come to rest at the MAGNETIC North and south position of the Earth as opposed to the GEOGRAPHIC north and south position. A is the correct option
The correct statement about magnetism is: B. The freely suspended bar magnet comes to rest in the geographic north-south direction. This occurs because the Earth's magnetic field aligns the magnet along its lines of force, with the north pole of the magnet pointing towards the Earth's geographic north pole.
You guys be confusing yourselves
The have given you guys the right answer already
