Salma Ahmed
English Lit. GCSE Student
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Investigating the resistance of a wire.
- Words:
- 1499
- Submitted:
- Tue Aug 05 2003
Have a little read: ... Investigating the resistance of a wire I have chosen to investigate the length of the wire. As the length of the wire increases so does the resistance. The above prediction (as the length of the wire increases so does the resistance) I believe to be true, because a wire is made up of atoms and as you increase the length of the wire the amount of atoms increases as well. As the electrons go through the wire they collide with atoms and decrease in speed. As you increase the length of the wire, there are more atoms and the electrons collide with them more, losing energy and slowing down, there fore the resistance increases because it is more difficult for the electrons to get through. The resistance increases proportionally to the length of the wire. Resistors in a series are added together to give total resistance so adding on another 10cms
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