Chemistry, 21.05.2021 18:00 jessnolonger
100 POINTS
A wire is coiled around an iron core, and a current runs through it to create an electromagnet. How would you INCREASE the power of the electromagnet?
Question 3 options:
Increase the voltage of the power source to create a higher current
Open a switch so that the current stops.
Replace the iron core with copper.
Make the wire straighter, so it wraps around the core fewer times
Answers: 2
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100 POINTS
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