## How do you calculate the force of a magnet?

Example

1. 5.0 cm = 5 ÷ 100 = 0.050 m.
2. force on a conductor carrying a current = magnetic flux density × current × length.
3. force = 0.60 × 0.75 × 0.050.
4. force = 0.0225 N.

What is the pull force of a 1 Tesla magnet?

10,000 Gauss
The pull force is essentially the force needed to pull two magnets apart, or to remove a magnet from some other surface, like steel. While the magnetic field is the measurement of strength and direction at a specific point. This would be expressed in Gauss or Tesla (note that 1 Tesla equals 10,000 Gauss).

How strong is 1000 gauss magnet?

A rating of 1,000 gauss resistance is equal to about 80,000 A/m.

### Where is the force of a magnet the strongest?

pole
The magnetic field generated by any magnet is always strongest at either pole. The magnetic force is equally as strong at both the north and south pole.

What type of magnet is strongest?

neodymium
The strongest permanent magnets in the world are neodymium (Nd) magnets, they are made from magnetic material made from an alloy of neodymium, iron and boron to form the Nd2Fe14B structure.

How many gauss is safe?

Five gauss
Five gauss and below are considered ‘safe’ levels of static magnetic field exposure for the general public. At 5 gauss and above: cardiac pacemakers and other implanted electronic devices are at risk of being interfered with by the static magnetic field.

#### Is 15000 gauss a lot?

As an order of magnitude for magnetic fields, 15,000 Gauss is approxately what you’ll find in a magnetic resonance imaging system (MRI), or the strength of a coin-sized magnet that can lift more than 9kg. Incredibly, the timepiece functioned perfectly during and after exposure to this huge magnetic field.

Are 2 magnets stronger than 1?

Two magnets together will be slightly less than twice as strong as one magnet. When magnets are stuck entirely together (the south pole of one magnet is connected to the north pole of the other magnet) you can add the magnetic fields together.

What shape of magnet is strongest?

horseshoe shape
The strongest part of a magnet is concentrated at the poles. That is why a horseshoe shape is considered the strongest and can be very useful to create if you want to lift heavy objects or want to make a bar magnet stronger.

## Which shape of magnet is the weakest?

This is due to coercivity also known as the “staying magnetized” ability of a given magnet. Coercivity is weaker in disc or ring shapes, slightly stronger in cylinder or bar shapes, and strongest in horseshoe shapes. To increase the coercivity of horseshoe magnets, steel keepers or magnet keepers are used.

What is the most powerful magnet in the universe?

the magnetar
View full size. Artist’s impression of the magnetar in the star cluster Westerlund 1.

How much magnetic field is safe for humans?

With most household appliances the magnetic field strength at a distance of 30 cm is well below the guideline limit for the general public of 100 µT. The table illustrates two main points: First, the magnetic field strength around all appliances rapidly decreases the further you get away from them.

### How do you calculate the force between two magnets?

To calculate the force between the two magnetics: one must integrate over the field structures, so as to examine the connecting field lines. The force is the sum of the tension forces (B^2/8 pi) on the field lines between the two.

What exactly does the pull force of a magnet mean?

Pull Force – The force required to pull a magnet free from a flat steel plate using force perpendicular to the surface. The limit of the holding power of a magnet. The pull force listed is actual data acquired by testing using our state-of-the-art force test stand. (They go on to provide a table of pull forces for magnets they sell.)

How much pull force does a magnet have?

Taller magnets that are over one inch tall are not any stronger in this configuration. For example, a single D82 (1/2″ diameter x 1/8″ thick) disc magnet has a Pull Force, Case 1 of 6.44 lb . When tested between two steel plates, however, the force required to separate them jumps up to 16 lb! That’s a huge difference.

#### What is the pull force of a magnet?

The pull force of a magnet is the amount of perpendicular force needed to remove it from an object it is magnetically attracted to.