PLEASE HELP MEEE
A mechanic dropped a bolt he needed to repair a car motor. He decided to make...
Biology, 13.03.2020 23:00 addidas234cs
PLEASE HELP MEEE
A mechanic dropped a bolt he needed to repair a car motor. He decided to make a simple electromagnet to try to
attract the metal bolt. Which list of material would make the best electromagnet?
wooden rod for a core, copper wire, 9-volt battery
plastic rod for a core, copper wire, 9-volt battery
metal rod for a core, copper wire, 9-volt battery
glass rod for a core, copper wire, 9-volt battery
Answers: 1
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