Help please. ASAP. 1. Explain how you think changing in the thickness or length of the nail will affect the strength of the electromagnet

Ferromagnetic materials make the magnet stronger than non-ferromagnetic materials like paper, wood, or air. A wider nail will make the magnet stronger. Making the nail longer will not make the magnet stronger, unless you also add more turns to the coil.

Explanation:

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i believe the answer is true.