So the thicker the wire the lower the resistance because there is a bigger area for the electrons to travel through, so there will be less chance of them colliding into one another which means there will be less energy produced.
I predict the longer the wire the higher the resistance and the shorter wire the lower the resistance...
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I think this because the longer the piece of wire the further the electrons have to flow, then that would mean the more collisions with atoms, which would increase the energy therefore increasing the resistance. Also if I double the length then I double the resistance. The electrons start of with kinetic energy they then collide with other electrons, which is then transferred to heat energy...