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Our aim for this experiment is to find out a method of increasing the strength of an electromagnet. My aim for this experiment is to see if the number of turns in the coil around a nail can affect the strength of an electromagnet.
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- Words:
- 1485
- Submitted:
- Fri Oct 24 2003
... ELECTROMAGNET INVESTIGATION Planning My Work Our aim for this experiment is to find out a method of increasing the strength of an electromagnet. My aim for this experiment is to see if the number of turns in the coil around a nail can affect the strength of an electromagnet. Whilst doing this experiment, we will need the following apparatus; an iron nail, a power pack, some wire to wrap around the nail, leads, crocodile clips, a variable resistor, and some paperclips. The variables of this experiment, to change the strength of the magnet we could change the iron core; you can get soft iron and normal iron. You change the number of coils, change the current, or change the resistance, or change the thickness of the wire. My partner and I chose to change the amount of coils around the nail, for our experiment. 'Soft' iron loses its magnetism very quickly when the current stops. Normal
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