Why does the Earth have a magnetic field quizlet?
Earths magnetic field captures some of the particles from the solar wind. 2. When these particles collide with the top of the Earth’s atmosphere, they cause a glow. In the Earth’s spinning iron core , the iron particles line up, producing a magnetic field.
What creates Earth’s strong magnetic field quizlet?
Convection in Earth’s outer liquid iron-nickel core, combined with Earth’s rotation. What creates Earth’s strong dipole magnetic field? Convection in Earth’s rocky mantle.
How a magnetic field is created?
Magnetic fields are produced by moving electric charges. Everything is made up of atoms, and each atom has a nucleus made of neutrons and protons with electrons that orbit around the nucleus. Since the orbiting electrons ≠are tiny moving charges, a small magnetic field is created around each atom.
What causes a magnetic field?
Instead, Earth’s magnetic field is caused by a dynamo effect. On Earth, flowing of liquid metal in the outer core of the planet generates electric currents. The rotation of Earth on its axis causes these electric currents to form a magnetic field which extends around the planet.
What is magnetic field quizlet?
A magnetic field is a region where. magnetic materials and wires carrying currents experience a force acting on them. In field diagrams the field lines always point from the. north pole of the magnet to the south pole.
Where does Earth’s magnetic field originate quizlet?
What causes the earth’s magnetic field? Our planet’s magnetic field is believed to be generated deep down in the Earth’s core. This flow of liquid iron generates electric currents, which in turn produce magnetic fields.
Which process is most responsible for creating the Earth’s magnetic field?
The magnetic field is generated by electric currents due to the motion of convection currents of a mixture of molten iron and nickel in the Earth’s outer core: these convection currents are caused by heat escaping from the core, a natural process called a geodynamo.
How can a magnetic field be produced Mcq?
8. How can a magnetic field be produced? Explanation: An electric current as well as the permanent magnet produces a magnetic field whereas a temporary magnet fails to do so. 9.
What are two ways to produce a magnetic field?
The two ways to produce to prodyuce magnetic field are : i ) By supplying current inside a coiled wire. ii ) By Keeping a msgnetic substance near a magnet. iii ) By keeping a magnetic substance inside the soil in geographical north south direction.
How is magnetic field produced?
Conversely, a magnetic field is produced by an electric charge in motion. This is in accordance with Faraday’s Law of Induction, which is the basis for electromagnets, electric motors and generators. A charge moving in a straight line, as through a straight wire, generates a magnetic field that spirals around the wire.