1.How will you describe the magnetic field lines:
a. near the poles? _________________________________________________________________
b. far from the magnet? _________________________________________________________________
How will you relate:
a. the strength of magnetic field with the distance between the magnetic field lines? __________________________________________________________________
b. the magnetic force to magnetic fieldlines? __________________________________________________________________
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1.Magnetic field lines are closed curves leaving from North pole and entering the South pole when you follow them on the outside the magnet. A compass, which is a small magnet itself, lines up parallel to the magnetic field lines at the point it is placed.
a.The Equator is an imaginary line around the middle of the Earth. It is halfway between the North and South Poles, and divides the Earth into the Northern and Southern Hemispheres.
b.If the distance between two magnets with like poles gets smaller, then the repelling force between them will get bigger, because the force between two magnets gets stronger as they get closer together, and weaker as they get farther apart.
a.The distance between the lines indicates relative strength of the magnetic field. The closer the lines are, the stronger the magnetic field is. Iron filings and a compass may be used to trace the shape, strength, and direction of magnetic field lines.
.b.your thumb points in the direction of the magnetic force for positive charges. Magnetic fields can be pictorially represented by magnetic field lines, which have the following properties: The field is tangent to the magnetic field line. Field strength is proportional to the line density.