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Physics, 30.03.2020 21:38 katia87

Which of the following are necessary components of a working electromagnet?
Check all that are true.
-
a commutator
-
a ferromagnetic core
O
a coiled conductive wire
a source of current


Which of the following are necessary components of a working electromagnet? Check all that are true.

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Which of the following are necessary components of a working electromagnet?
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