A group of students were experimenting with building electromagnets in science class. To do this, the
students wrapped a piece of insulated copper wire around an iron nail and then connected the two ends of
the wire to a battery, making the nail magnetic. The number of wraps of the wire around the nail affected the
number of metal paperclips that the electromagnet could pick up at one time. The results of the students’
experiment are shown in the data table below. Predict how many paperclips the electromagnet would have picked up if the students had wrapped the wire
around the nail only five times.
Answers: 3
Physics, 21.06.2019 23:20
Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.
Answers: 3
Physics, 22.06.2019 11:30
Write down two additional questions about earth's magnetic field that will make your presentation more informative.
Answers: 1
Physics, 22.06.2019 14:40
On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)
Answers: 3
A group of students were experimenting with building electromagnets in science class. To do this, th...
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