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The document presents results from an experiment investigating electromagnets. It shows that increasing the number of coils or the current in an electromagnet increases the number of drawing pins attracted. Graphs illustrate the direct relationship between the number of coils/current and the number of drawing pins attracted.
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4shaunoff
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- 1. Investigating electromagnets results Here are some example results. number of number of number current drawing pins drawing pins of coils (A) attracted attracted 0 0 0 0 20 8 1 12 40 18 2 23 60 31 3 38 80 46 4 49
- 2. Investigating electromagnets analysis How did the number of coils affect the number of drawing pins attracted to the electromagnet? 50 number of drawing pins attracted 40 30 20 10 0 0 20 40 60 80 100 number of coils
- 3. Investigating electromagnets analysis How did the size of the current affect the number of drawing pins attracted to the electromagnet? 60 number of drawing pins attracted 50 40 30 20 10 0 0 1 2 3 4 5 current (A)