The following represents an electromagnet. What are three way one could increase the strength of an electromagnet? iron nail Battery coil wire coil of increase the current, deccrease number of coils, add iron to the core O deccrease the current, increase number of coils, add iron to the core O increase the current, increase number of coils, add iron to the core O Use alternating current, add iron to the battery, add a transformer

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.