Physics, 30.04.2021 20:10, ladya1613

Some students are planning an experiment. They need to be able to vary the strength of a magnet. Which type of magnet should they use? A. bar magnet B. electromagnet C. horseshoe magnet D. refrigerator magnet

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Some students are planning an experiment. They need to be able to vary the strength of a magnet. Whi...