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Explanation:

An electromagnet has its magnetic field produced by an electric current. A simple electromagnet is made from a coil of wire which often is wrapped around a core of ferromagnetic materials like iron.

This means that the magnet only has its properties when an electric current is applied, and you can turn off the magnetic force. This means it is easier to manipulate the use of an electromagnet by controlling the amount of electric current supplied to it.

The application and utilization of magnets depend on which properties it consists of, so you need to find a magnet that matches yourIt was my business to cross the bridge, explore the bridgehead beyond and find out to what point the enemy had advanced & annotations

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Answer:

An electromagnet has its magnetic field produced by an electric current. A simple electromagnet is made from a coil of wire which often is wrapped around a core of ferromagnetic materials like iron.

Thank you for the words.

But all you said to me will return to you one day.

Explanation: