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Investigation into the factors affecting the strength of electromagnets - Planning Experimental Procedures.
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INVESTIGATION INTO THE FACTORS AFFECTING THE STRENGTH OF ELECTROMAGNETS Planning Experimental Procedures There are three main factors which affect the strength of an electromagnet: 1. The size of the current. 2. The number of turns the coil has. 3. What the core is made of. For this investigation, I intend to explore how the number of coils of insulated wire around an iron core effects the amount of paper clips attracted to the electromagnet. My prediction using results from the pilot study is that if I increase the number of coils the strength of the electromagnet will also increase (more paper clips will be attracted to the EM). However I have read that in theory, the strength of the EM will double as the number of coils are doubled (EM strength is directly proportional to the number of turns of coil). I will use the following apparatus for this experiment: paper clips, soft iron...
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