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Ryan is experimenting with core materials for an electromagnet. He slides different core materials through a coil of current-carrying wire. Short the core materials based on whether they will or won't increase the strength of rayan's electromagnet.

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Since the logic involved behind an electromagnet to work is that the necessary force must be driven by the voltage. The strength of an electromagnet doesn't-depends on what drives the current. The electric current flowing through the wires of electromagnet determines the strength of an electromagnet.

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