An electromagnet needs a magnetic metal core. To produce a magnetic field, what else is required? A second metal core? A solenoid with current or no current running through it? Or a permanent magnet?

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asked Jan 10, 2021 135k views

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An electromagnet needs a magnetic metal core. To produce a magnetic field,

what else is required?

A second metal core?
A solenoid with current or no current running through it? Or a permanent magnet?

Physics
college

Carsten Kuckuk asked

by Carsten Kuckuk

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2 Answers

1 vote

A second metal core i think

Jhonnatan answered Jan 12, 2021

by Jhonnatan

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5 votes

Answer:solenoid with current running through it

Explanation:just took the test

Yuri Malov answered Jan 15, 2021

by Yuri Malov

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