To make the strongest electromagnet, the best core that can be used is: B. An iron stake because it is a conductor.
What is electromagnet?
An electromagnet is known as a device that possesses a magnetic material that has a coil which allows electric current to pass through it in order for the core to be magnetised. Electromagnets can be used where some type of magnets are needed.
We can deduce that when making the strongest electromagnet, the best core that can be used is an iron stake because it is a conductor.
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