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25 March, 00:28

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

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  1. 25 March, 01:41
    0
    I think the answer woulb be option B). S olenoid wrapped around an iron core, wires, a light bulb
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