Electromagnets are created when current is running through a wire and creates a magnetic field. Why would this type of magnet be useful in some situations?

A. The magnetic field helps push current through the wires, generating more electricity.
B. The magnets are useful for appliances that are required to have a constant current.
C. The magnets can be turned off and on as the current is turned off and on.
D. The current can be increased by the magnetic field to overcome resistance in circuits.

Question

13-08-2024
Physics

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Electromagnets are created when current is running through a wire and creates a magnetic field. Why would this type of magnet be useful in some situations?

A. The magnetic field helps push current through the wires, generating more electricity.
B. The magnets are useful for appliances that are required to have a constant current.
C. The magnets can be turned off and on as the current is turned off and on.
D. The current can be increased by the magnetic field to overcome resistance in circuits.

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Final answer:

Electromagnets are created by electric current flow and have diverse applications in physics and engineering.

Explanation:

Electromagnets are created when current flows through a wire, generating a magnetic field. These electromagnets are useful in various situations such as appliances, generators, and even MRI machines. They rely on electric current to create magnetism, allowing for a wide range of applications across physics and engineering.

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