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Activity: How does the number of dry cells affect the strength of the electromagnet?
Guide questions:
a. The factor that is kept the same for both set-ups during the experiment is the controlled variable. In the table above, which is the same for both set-ups?
b. The factor that is tested or changed by the experimenter is the independent variable. In the table above, which was tested?
c. In the experiment above, you performed three trials and took the average. Why do you think performing trials in an experiment is important?
d. Which set-up is the stronger electromagnet? Why?
e. Let us make a conclusion by answering this question. What happens to the electromagnet's strength when the number of dry cell increases?
Answers: 1
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Activity: How does the number of dry cells affect the strength of the electromagnet?
Guide question...
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