Investigation of electromagnetism
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V.I.S ELECTROMAGNETISM INVESTIGATION OF ELECTROMAGNETISM CONTENTS contents 2 Aim 3 Hypothesis 4 method 5 results 7 conclusion 10 evaluation 11 AIM To find out the effect of number of turns, current and core material on the strength of an electromagnet and its behaviour towards these three points. HYPOTHESIS I think these three factors all influence the strength of electromagnets and their behaviour1: * The number of turns of wire. Because the more turns you have the more electrons are present in the wire which create a larger magnetic field. * The current flowing in the wire. Because this alters the strength of the electromagnet, and the force it is using gets bigger if the current increases. * The material the core is...

