Physics, 07.11.2019 01:31 christhegreat1
Many doorbells work in the way pictured below. an electromagnet, which is made up of a coil of wire wrapped around a metal core, causes a metal beater bar to rapidly move up and down. this causes the beater at the end of the bar to strike a bell repeatedly.
how does the electromagnet cause the beater bar to move?
Answers: 2
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Many doorbells work in the way pictured below. an electromagnet, which is made up of a coil of wire...
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