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A student connects a battery to a wire and wraps the wire around an iron nail to produce an electromagnet. Which action should the student take to increase the number of paper clips the electromagnet can pick up?(1 point)
He should add another battery.
He should reduce the number of turns.
He should replace the iron nail with a plastic spoon.
He should decrease the current through the wire.
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GPT-5 mini
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He should add another battery.
Adding a battery increases the current (and thus the magnetic field) through the coil, strengthening the electromagnet so it can pick up more paper clips.
Adding a battery increases the current (and thus the magnetic field) through the coil, strengthening the electromagnet so it can pick up more paper clips.
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