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Investigate the relationship between electromagnet strength and amount of current flowing through the wire.
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| Submitted: Thu Jan 15 2004
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Investigate the relationship between electromagnet strength and amount of current flowing through the wire. 1. PLAN: Diagram: The Experiment: I set up the equipment as shown in the diagram above. I put the variable resistor in the circuit to vary the current flow. I put the ammeter in the circuit to measure current flow at certain points. I then added an electromagnet to show that when electricity flows through a wire wrapped around a magnetically soft iron core, a magnetic field is created. I also added the electromagnet because we needed it to investigate the relationship between electromagnet strength and the amount of current flowing through the wire. Moreover, I added a battery consisting of 3 cells to provide electrical energy to the circuit. Furthermore, I added a load to the electromagnet to provide a measurement of magnetic strength of the electromagnet. Finally, I needed the clamp stand to hold the electromagnet and...
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