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Physics, 01.06.2020 02:59 phagonphillips4675

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If you wanted to maximize the force of the electromagnet in your doorbell, which of these three coils would you use? Explain your reasoning. Coil 1 is 4 coils but spread out. Coil 2 is 4 coils but a little closer together. Coil 3 is 4 coils but super close together.

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