A student moves a horseshoe magnet across a tabletop with different distances from an electromagnet, as shown in the diagram below.%0D%0A%0D%0A%0D%0A%0D%0AUse the student’s observations below to any the following question:%0D%0A%0D%0AObservations%0D%0A%0D%0A20 inches: no force required%0D%0A%0D%0A10 inches: small force required; easy to hold in place%0D%0A%0D%0A5 inches: large force required; very difficult to hold in place%0D%0A%0D%0A %0D%0A%0D%0AWhat do the student's observations demonstrate?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AThe electromagnet's magnetic field becomes weaker as more magnetic material is added to it.%0D%0AThe electromagnet's magnetic field becomes weaker as more magnetic material is added to it.%0D%0A%0D%0AThe electromagnet's magnetic field becomes stronger as a small amount of strength is added to the system by the battery.%0D%0AThe electromagnet's magnetic field becomes stronger as a small amount of strength is added to the system by the battery.%0D%0A%0D%0AThe electromagnet's magnetic field is stronger as more turns are added to the wire on the nail.%0D%0AThe electromagnet's magnetic field is stronger as more turns are added to the wire on the nail.%0D%0A%0D%0AThe electromagnet's magnetic field is stronger when close to it than far from it