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Physics, 20.08.2020 18:01 Yskdl

When asked how to create an electromagnet, the best answer would be: "You can create an electromagnet by applying a direct current to a non–magnetic material in order to create an electromagnetic field."
"You can create an electromagnet by covering a wire with insulation and applying a direct electrical current to the magnet."
"You can create an electromagnet by coiling a ferromagnetic material, wrapping in an insulator, and applying a current to the coil."
"You can create an electromagnet by wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current."

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When asked how to create an electromagnet, the best answer would be: "You can create an electromagn...

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