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Determining how changing the power in an electromagnetic circuit will affect the strength of an electromagnet.
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| Submitted: Fri Mar 05 2004
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Lacy Beare 11.15 Physics Investigation- Electromagnets Aim- In this investigation I will be determining how changing the power in an electromagnetic circuit will affect the strength of an electromagnet. Method- To conduct this experiment I will firstly wrap 25 coils of wire around a soft iron core. I will then create a complete circuit with an ammeter in series and a voltmeter in parallel. As a variable I will be setting the voltage to 10 volts on the adjustable power supply, which means the current will also change, I will then turn the power on so the iron is magnetised and then try to pick up as many nails as possible with one dip of the now magnetic iron core into the pile of nails set out on the table. I will then weigh the number of nails the iron electromagnetic picked up and record this result; I will...
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