Electromagnetism

Question 1

Which electromagnet is the strongest?

Revolt · Accepted Answer

[Image: A black bar with 7 copper colored coils around it....]

Question 2

Which factors affect the strength of an electromagnet? Check all that apply. the direction of the current flowing through the wirethe amount of current flowing through the wirethe number of coils in the wirethe material of the wirethe material of the core

Revolt · Accepted Answer

the amount of current flowing through the wire; the number of coils in the wire; the material of the core

Question 3

decreases✔ increasesdoes not change

Revolt · Accepted Answer

✔ increases

Question 4

Nineteenth century English scientist Michael Faraday found that if he moved a magnet through a loop of wire, an electric current flowed in that wire.What process did Faraday discover?

Revolt · Accepted Answer

electromagnetic induction

Question 5

a wire coilan iron bar✔ a magnet

Revolt · Accepted Answer

✔ a magnet

Electromagnetism Answers

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