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An experiment to see how the voltage passed around an electromagnet effects it.

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Introduction

An experiment to see how the voltage passed around an electromagnet effects it.

The aim: I want to know how the voltage passed in a coil around an electromagnet effects it. Here is the diagram of the circuit I will use:

List of apparatus: Voltmeter, Battery, Paper clips, a nail and wire.

Method: Attach apparatus as shown

              Switch on battery

             Attach as many paper clips as possible and record results

...read more.

Middle

I predict that the higher the current the more paper clips that can be held.

The Results:

Current

Number of paper clips

1.39

3.29

4.41

7.39

9.29

11.59

2

4

7

8

10

11

...read more.

Conclusion

If I was to do the experiment again I would also like to vary the number of turn the wire has around the magnet. In that case I would think the more turns of the wire the stronger the magnet would be.

...read more.

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