The student's observations demonstrate that the electromagnet's magnetic field is stronger when close to it than when far from it. The observations show that as the distance between the horseshoe magnet and the electromagnet decreases, the required force to hold the horseshoe magnet in place increases, indicating a stronger magnetic interaction at closer distances.
A student moves a horseshoe magnet across a tabletop with different distances from an electromagnet. Use the student's observations below to any the following question:
20 inches: no force required
10 inches: small force required; easy to hold in place
5 inches: large force required; very difficult to hold in place
What do the student's observations demonstrate?
The electromagnet's magnetic field becomes weaker as more magnetic material is added to it.
The electromagnet's magnetic field becomes stronger as a small amount of strength is added to the system by the battery.
The electromagnet's magnetic field is stronger as more turns are added to the wire on the nail.
The electromagnet's magnetic field is stronger when close to it than far from it.
1 answer
50 answers