A magnetic force cannot be created in an electromagnet without which of the folllowing ? A.an electric current b. a magnetic field c. an electric force d.an magnetic force

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Maxim Yefremov · Answer 1 · 2018-03-12T04:56:45+0000

Answer: Option (A) is the correct answer.

Step-by-step explanation:

Electromagnet is a device in which an iron core is surrounded by a coil of insulated wire. When an electric current is passed through this insulated wire then it results in the formation of a magentic field.

As a result, magnetic force is created.

Thus, we can conclude that a magnetic force cannot be created in an electromagnet without an electric current.

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A magnetic force cannot be created in an electromagnet without which of the folllowing ? A.an electric current b. a magnetic field c. an electric force d.an magnetic force

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