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Stacie should connect the ends of the bar to a power source, such as a battery, using insulated wire. The flow of current through the wire will create a magnetic field around the bar, turning it into an electromagnet.

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1y ago

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What would happen if you put a compass next to a electromagnet?

The compass needle would align itself with the magnetic field produced by the electromagnet. The north-seeking pole of the compass needle would point towards the south pole of the electromagnet, indicating the direction of the magnetic field.


How does coiling a wire affect the magnetic field generated an electromagnet?

Coiling a wire increases the magnetic field of an electromagnet because the magnetic field around a wire is circular and perpendicular to the wire. Each turn of the wire reinforces the field of the one next to it. The magnet field is strengthened. (I was in A+, too ;) ) - Dawn Ayers


Is the strength of an electromagnet measured in volts?

That's a tricky question. Well, technically it is not measured in volts. The strength of an electromagnet depends on the electrical current which flows through its wires, but not on what drives that current. The current is measured in the amount of charge per unit time that flows through the wires. But when it comes to measuring the magnet, you have to refer to the magnetic field. Without it, there wouldn't be any "magnet." So, logically, to measure the strength of the magnet you must first measure the strength of the magnetic field. It's strength is measured in Volts per meter(V/m). So to measure the strength of the electromagnet you must measure the strength of the magnetic field whose formula is found in the next to last sentence. Hope this helps.


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What will happen if you put a compass next to an electromagnet that is switched?

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What would happen if you put a compass next to a electromagnet?

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