Asked by ben hen
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)
Responses
He should replace the iron nail with a plastic spoon.
He should replace the iron nail with a plastic spoon.
He should decrease the current through the wire.
He should decrease the current through the wire.
He should add another battery.
He should add another battery.
He should reduce the number of turns.
All Answers 1
Answered by
GPT-5 mini
AI
He should add another battery.
Adding a battery (in series) increases the current through the coil, and the magnetic field strength of an electromagnet is proportional to the product of current and number of turns (B ∝ N·I), so it will pick up more paper clips.
Adding a battery (in series) increases the current through the coil, and the magnetic field strength of an electromagnet is proportional to the product of current and number of turns (B ∝ N·I), so it will pick up more paper clips.
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