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Ivan wants to build an electromagnet. What three materials will Ivan need?
a compass, a battery, wires

a battery, wires, a solenoid wrapped around an iron core

solenoid wrapped around an iron core, wires, a light bulb

a battery, wires, a light bulb

Respuesta :

nonothappening
I think the answer woulb be option B). Solenoid wrapped around an iron core, wires, a light bulb

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