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 reduce the number of turns.
He should reduce the number of turns.
He should decrease the current through the wire.
He should decrease the current through the wire.
He should replace the iron nail with a plastic spoon.
He should replace the iron nail with a plastic spoon.
He should add another battery.
He should add another battery.