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Tom Cole 11DSB-11R3 9061 25/6/02 Electromagnet investigation An electromagnet works similarly to a normal magnet but with one huge advantage. A normal magnet is constantly on but an electromagnet can be turned on and off. This is useful in both the science lab and industry such as a scrap yard. An industrial investigation of this size is obviously not possible in the science lab so in order to simulate a smaller type of situation I'm going to use small weights. I plan to find out the different characteristics of an electromagnet by changing the number of coils around the electromagnet and the amount of current which is passed through it. My hypothesis is that the amount of current and or coils which are placed on the magnet will govern the strength of the magnet. In order for the test to be fair I am going to have to make sure that some aspects stay the same...

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