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How could heating a bar magnet reduce its magnetism?
Heating a bar magnet can cause its magnetic domains to become disordered, reducing its overall magnetic strength. This occurs because the thermal energy disrupts the alignment of the magnetic moments within the material, causing the magnetism to weaken as the domains lose their coherence.
Which process involves a weaken of the attraction between particles?
For example heating.
Dropping or heating a magnet will not weaken it because the domains will stay in alignment?
When you drop or heat a magnet, the domains may temporarily lose alignment, but once the magnet stops moving or cools down, the domains will realign and the magnet's strength will return. Dropping or heating a magnet will not permanently weaken it.
What is extreme steel bar?
Extreme Steel bar is known as re-bar ( Reinforcing Bar), with two longitudinal and transverse ribs on the diameter of Bar.
How to weaken elastic?
To weaken elastic so it is not so tight is by heating it with an iron. Stretch the elastic as you apply heat and leave it stretched until it cools. You may have to apply heat more than once.
Heat treatment concrete reinforcing steel rod?
Most specifications recommend not heating (annealing) rebar because it can weaken it.
How can gneiss be identified?
A banded metamorphic rock formed from the re-heating and re-pressuring of granite and similar igneous rocks.
What should the boiler pressure be when the heating is turned off?
The boiler pressure should be around 1 to 1.5 bar when the heating is turned off.
How could you test the effects of heating and cooling on the magnetization of a bar magnet?
To test the effects of heating on magnetization, heat the bar magnet to a specific temperature and measure its magnetization using a magnetometer. To test the effects of cooling, cool the bar magnet to a specific temperature and again measure its magnetization. By comparing the magnetization measurements before and after heating or cooling, you can observe any changes in the magnetization properties of the bar magnet.
How do you maintain cinder block wall?
Use re-bar and cement.
Is a bar magnet a permanent?
yes,but it can loose it's property by heating,hammering and dropping
How can a metal bar be made to expand in all directions?
Heating the metal bar evenly will cause it to expand in all directions. This is known as isotropic expansion, where the material expands uniformly in all dimensions. Heating allows the atoms in the metal to move more freely, causing the entire metal bar to expand uniformly.
