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Why are eddys formed in a conductor in an external magnetic field?
Eddy currents are electric currents that are produced inside conductors, through the process of changing the magnetic field in the conductor. The external magnetic field is used as a barrier or skin to protect the eddy.
Write a short notes on magnetic field?
Magnetism or magnetic field is the attraction for iron , associated with electric currents as well as magnets characterized by fields of force
What is magnetic field?
A condition found in the region around a magnet or an electric current, characterized by the existence of a detectable magnetic force at every point in the region and by the existence of magnetic poles.Read more: magnetic-field
Can an electric current exert a force on a magnet?
In a conductor - only if the field is moving, thus changing.
What very important process happens in the outer core why is it important?
the outer core is made mostly of iron, and it is so hot the iron melts. powerful electric currents are formed as the liquid outer core moves. these electric currents create earth's magnetic field. this magnetic field protects the planet from harmful solar radiation and atmosphere.
What does magnetic field?
Magnetic fields are produced by electric currents, which can be macroscopic currents in wires, or microscopic currents associated with electrons in atomic orbits
Definition of electromagnetic wave magnetic field?
Magnetic fields are produced by electric currents, which can be macroscopic currents in wires, or microscopic currents associated with electrons in atomic orbits
What is the simple definition and concept and application of magnetic field?
Magnetic fields are produced by electric currents, which can be macroscopic currents in wires, or microscopic currents associated with electrons in atomic orbits
What is the definition for magnetic field relating to normal and reversed?
Magnetic fields are produced by electric currents, which can be macroscopic currents in wires, or microscopic currents associated with electrons in atomic orbits
Why are eddys formed in a conductor in an external magnetic field?
Eddy currents are electric currents that are produced inside conductors, through the process of changing the magnetic field in the conductor. The external magnetic field is used as a barrier or skin to protect the eddy.
Write a short notes on magnetic field?
Magnetism or magnetic field is the attraction for iron , associated with electric currents as well as magnets characterized by fields of force
Where does the earths magnetic field originated from?
The Earth's magnetic field is generated by the the Earth's spin and the fact that it has molten iron in its core. When convecting molten metals spin they generate electric currents and with these a magnetic field.
Saturn Magnetic Field?
Yes, Saturn has a magnetic field that is produced by electric currents. I guess that also means it is going to be a real challenge for scientists to enter Saturn in the future.
What are the four Maxwell's equation?
Gauss's law: Electric charges produce an electric field. Gauss's law for magnetism: There are no magnetic monopoles. Faraday's law: Time-varying magnetic fields produce an electric field. Ampère's law: Steady currents and time-varying electric fields produce a magnetic field.
What causes magnetic pole?
The Earth's magnetic field is believed to be generated by electric currents in the conductive material of its core, created by convection currents due to heat escaping from the core.
Do magnetic fields generate electric currents?
Not exactly. A CHANGING magnetic field, or a material moving through a magnetic field, will produce a VOLTAGE. This may or may not result in an actual current.
Does the earth's magnetic field give information on the earth's interior composition?
The earth has electric currents in its structure, that create magnetic fields.
