What happens when something becomes magnetized?

What happens when something becomes magnetized?

When the metal becomes magnetized, which is what happens when it is rubbed with a strong magnet, all like magnetic poles line up and point in the same direction. The metal becomes a magnet. It would quickly become unmagnetized when its magnetic domains returned to a random order.

What is an electromagnet upon what factors its strength depends?

The strength of an electromagnet depends on: The strength of the current passing through the coil, the greater the current, the greater the strength.

Where do we use electromagnets?

Electromagnets are very widely used in electric and electromechanical devices, including:

• Motors and generators.
• Transformers.
• Relays.
• Electric bells and buzzers.
• Loudspeakers and headphones.
• Actuators such as valves.
• Magnetic recording and data storage equipment: tape recorders, VCRs, hard disks.
• MRI machines.

How much space do you need around a combi boiler?

The boiler should be easily accessible for any servicing or maintenance requirements. This means the door to the cabinet should be openable, and there should be a minimum gap of 700 mm between front of the boiler and a wall or other obstruction for the engineer to service it properly.

Do combi boilers have to go on an outside wall?

Your boiler should be installed inside a building and can be fitted to any suitable wall strong enough to take its weight when full of water. The boiler’s flue must be able to pass to the outside, either through an outside wall or through the roof.

Can I put a combi boiler in a cupboard?

Can you put a boiler in a kitchen cupboard? Your boiler can be put inside a kitchen cabinet, however there are some regulations that you will need to adhere to. For example, the boiler needs to be fully accessible for servicing, maintenance or repairs.

How close can a boiler be to a wall?

This distance is usually between 30 and 60 cm, but this may vary depending on the type of boiler you have. The flue should also be around 30 to 60 cm away from any drains, gutters or soil pipes.