ANSWER

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Can the electromagnet work without the battery? Why?

• ⟹ The answer is NO, because an electromagnet is a magnet that can be turned on and off. The battery is a source of electrons. When you connect the wire to the battery, the electrons flow through the wire. If there is not a complete circuit, the electrons will not flow.

• ⟹ When the battery is disconnected, the magnetic field disappears.

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