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Question
A student performed an experiment to determine the number of grams of iron filings that are able to be picked up with an electromagnet as the amount of current changes.

Data Table

Current (A)

Iron Filings Picked Up (g)

5

20

10

40

15

60

20

80

Which graph best describes the relationship between magnetism and electrical current?
Responses
A

Strength of Magnet

Electrical Current
Strength of Magnet Image with alt text: Electrical Current
B

Strength of Magnet

Electrical Current
Strength of Magnet Image with alt text: Electrical Current
C

Strength of Magnet

Electrical Current
Strength of Magnet Image with alt text: Electrical Current
D

Strength of Magnet

Electrical Current
Strength of Magnet Image with alt text: Electrical Current
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Based on the data table given, it can be observed that as the amount of current increases, the number of grams of iron filings picked up by the electromagnet also increases. This indicates a positive correlation between magnetism and electrical current. Therefore, the best graph to represent this relationship would be Graph B, where the Strength of Magnet increases with increasing Electrical Current.