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Why does a metallic piece become very hot when it is surrounded by a coil carrying high frequency alternating current?
Wiki User
∙ 16y ago
This is because of the eddy curents produced due to the changing electric and magnetic fields.
Wiki User
∙ 16y ago
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Astm standard for hot torsion test for metallic material?
no
What kind of machines are used in mining and drilling?
For coal or many other non-metallic ores, you will need crusher or grinding machines. For metallic ores you need a magnetic separation machine.
Which shows a stronger hall effect metallic conductor or semiconductor?
semiconductors
What is a very heavy metallic element that used to be used in plumbing?
lead
What is the difference between metallic and non-metallic cable?
There is a big difference between Non-metallic minerals and metallic minerals.Metallic minerals are composed primarily of metallic elements and have a metallic lustre and other properties, such as the ability to conduct electricity. Non-metallic minerals do not have these characteristics
Why does a metallic piece become hot when it is surrounded by a coil carrying high frequency alternating current?
This is because of the eddy curents produced due to the changing electric and magnetic fields.
Which bond involves metallic ions surrounded by a sea of electrons?
Metallic bonds.
Which planet has rocky core surrounded by metallic hydrogen under extreme pressures?
Saturn
The bonding that occurs when positively charged ions are surrounded by a cloud of electrons is called?
metallic
What type of bond is formed when gold bonds with itself?
Metallic bond, metallic positive grains surrounded by the electron cloud
Which type of bonding involves metal atoms surrounded by a sea of valence electrons?
metallic bonds
What is it called when water-rich solutions carrying metallic salts fill cracks and form?
veins
In a metal lattice what are surrounded by a pool of electrons?
its called metallic bonding
Is ions in a bar of pure iron are surrounded by a large number of valence electrons a covalent bond?
Iron has metallic bonds.
Is Ions in a bar of pure iron are surrounded by a large number of valence electrons an example of covalent bond?
No. This is an example of metallic bonding.
The attraction between a positive metal ion and the electrons surrounding it is an?
Metals can be thought of as a lattice of metal ions surrounded by electrons. Again the force of attraction is electrostatic. These electrons are delocalised and metals get their conductiity from thir movement under an applied electric field. Positive metal ions in chemical compounds are surrounded by negativelly charged anions. The force between the oppositely charged ions is electrostatic.
In positively charged metallic ions are surrounded by a sea of electrons?
In metals ions are surrounded by valence electrons, hopping around and between the 'metal-bonded' metal ions (giving it a kind of semi-crystallic solid structure). Moving electrons explain the conductivity properties of metal.
