Question: An electromagnetic coil can be made magnetically stronger by increasing the number of loops of wire. increasing the current in the coil. adding an iron

An electromagnetic coil can be made magnetically stronger by increasing the number of loops of wire. increasing the current in the coil. adding an iron core. All of the above choices are correct

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An electromagnetic coil can be made magnetically stronger by increasing the number of loops of wire. increasing the current in the coil. adding an iron core. All of the above choices are correct

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