# What property of a magnet determines which side of it is N or S?

• v_pino
In summary, the poles of a magnet are determined by the alignment of all the tiny magnets within the magnet bar. This is why it is impossible to separate a magnet into two one-pole magnets. If a magnetic monopole were ever isolated, it would hold immense power and likely be bought out by a large company like Disney.
v_pino
What property of the magnet determines which side of it is North and which side is South?

I know that we are unable to separate the poles of a magnet (ie cut a magnet in halves and we get two magnets). How come?

A magnet bar consists of numerous tiny magnets (perhalf molecular scale), so you can not separate it into 2 one-pole magnets.
The poles of a magnet allign with the poles of all the tiny magnets.

Let's just say that if you ever manage to isolate a magnetic monopole, you will own the planet... until Disney buys you out.

## 1. What is the property of a magnet that determines which side is North or South?

The property of a magnet that determines which side is North or South is its polarity. Magnets have two poles, a North pole and a South pole, which are determined by the direction of the magnetic field lines.

## 2. How do you identify the North and South poles of a magnet?

The North pole of a magnet is usually marked with a letter N or a plus (+) sign, while the South pole is marked with a letter S or a minus (-) sign. You can also use a compass to identify the poles - the needle of a compass will always point towards the North pole of a magnet.

## 3. Can a magnet have multiple North or South poles?

No, a magnet can only have one North pole and one South pole. The magnetic field lines of a magnet always flow from the North pole to the South pole, and cannot cross or merge.

## 4. Does the strength of a magnet affect which side is North or South?

No, the strength of a magnet does not affect which side is North or South. The polarity of a magnet is determined by its structure and the direction of its magnetic field lines, not by its strength.

## 5. Can the polarity of a magnet be changed?

Yes, the polarity of a magnet can be changed by exposing it to a strong magnetic field in the opposite direction. This process is known as magnetization, and it can be done using specialized equipment or by rubbing a magnet against a piece of metal in a specific way.

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