Question: What are three ways to strengthen an electromagnet?
Increase the number of coils, use a stronger ferromagnetic core, increase the number of batteries
Add more batteries, use fewer coils, use a stronger ferromagnetic core
Use a stronger ferromagnetic core, use fewer coils, use fewer batteries
Increase the number of coils, use fewer batteries, decrease the strength of the ferromagnetic core
which one guys. *help* i;m taking a quiz.
Answers
Answer:
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Answer:
When an electric current flows in a wire, it creates a magnetic field around the wire. This effect can be used to make an electromagnet. A simple electromagnet comprises a length of wire turned into a coil and connected to a battery or power supply.
wrapping the coil around a piece of iron (such as an iron nail)
adding more turns to the coil
increasing the current flowing through the coil.
Explanation:
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