RiyaTailz3346
16.12.2020 •
Physics
1. Students attached both ends of a long wire to the poles of a battery and wrapped the wire
around a spoon. In this arrangement, the spoon is able to pick up five paper clips. The
students wrap more wire around the spoon and want to determine if the strength of the
magnetic force has increased. Which of the following observations would indicate that
wrapping more wire has increased the strength of the electromagnet?
ACE Alko
O A. More wire was needed to wrap around the spoon
B. The spoon now picks up seven paper clips
O C Eventually the battery runs out of energy
D. The ends of the wire must touch the battery's poles
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Ответ:
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Explanation: