Electromagnetism in Use Quick Check
this is correct for connexus academy 10th grade physical science as of 4/7/2023
1. What creates the magnetic force in an electromagnet?
đź’—electric current
2. Which statement about electromagnets is correct?
đź’—A north pole and a south pole attract each other.
3. Which is the best description of how to build an electromagnet?
đź’—Attach a wire to one end of a battery, wrap the wire around an iron or steel core, and attach the other end of the wire to the other end of the battery.
4. What causes a maglev train to hover above the track?
đź’—repellant magnetic force
5. How does a maglev train move forward?
đź’—Magnets in the sides of the tracks constantly repel and attract magnets in the sides of the train.
hope this helped <3
2 answers
3 answers