Use the table of information about four electromagnets to answer the question.
Electromagnet Current Intensity Number of Turns in the Wire
W medium 10
X low 10
Y medium 50
Z low 50
Which electromagnet will produce the strongest magnetic force?
(1 point)
Responses
electromagnet W
electromagnet W
electromagnet X
electromagnet X
electromagnet Y
electromagnet Y
electromagnet Z
electromagnet Z
The electromagnet with the highest number of turns in the wire will produce the strongest magnetic force. In this case, electromagnet Y has 50 turns, so electromagnet Y will produce the strongest magnetic force.
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.