MID QUIZ 1 Flashcards
It is the part of a magnet which its magnetic effect is the strongest
Magnetic dipole
It is the number of magnetic field lines of force crossing through a material.
Magnetic flux density
It is a line where magnetic dip is zero
Magnetic equator
The slowly change of magnetic field every hundred years or so, is called?
Secular variation
It is a layer of the earth which has the Solid iron and nickel?
Inner core
It is the angle between the magnetic north and true north.
Variation
The space surrounding the magnet at which its influence is felt is called?
Magnetic field
It is the force of attraction and repulsion of a magnetic material.
Magnetism
It is made of a dense and mostly solid rock material.
Mantle
Lines of equal magnetic variation
Isogonic lines
It is a layer of the earth which has the liquid iron and nickel?
Outer core
It is a line where magnetic variation is zero
Agonic lines
The process by which an iron becomes magnetized by the magnetism induced from a radiating poles of a magnet.
Magnetic induction
The reason of earths magnetic field.
The electrons flow around the inner core of the earth.
The polarity of the magnetic north pole
South polarity
