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An Investigation to Determine the Effect of the Number of Turns around the Core of an Electromagnet on its Strength.
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An Investigation to Determine the Effect of the Number of Turns around the Core of an Electromagnet on its Strength Aim The aim of this investigation is to determine to what extent, if any, the number of turns on an electromagnet affects its strength. Prediction I predict that as the number of turns around the core increases, its strength will also increase. I believe this because of the laws surrounding the strength of electromagnets. Ampere's Law below determines the strength (in tesla) of the magnet. B is in Tesla (10,000 gauss) 'gap' is in metres (The opening of the "C ".) Mu = 4 * pi * 10-7 N is the number of turns in the coil I is the current in Amps Because only the number of turns in the coil (N) is variable in this experiment, the strength's increase should be directly proportional to this value (if there were no turns, N=0, the equation must also = 0)....
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