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Essay's paper info
Topic: |
Science
|
Number of pages / Number of words: |
7 / 1819 |
Essay's paper body
Resistively is expressed in terms of the ohms resistance per cubic centimetre of the substance at 20'C (68' F).
Prediction
I predict that if the length increases then the resistance will also increase in proportional to the length. I think this because the longer the wire the more atoms and so the more likely the electrons are going to collide with the atoms...
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Furthermore, doubling the length of the wire will result in double the resistance. This is because by doubling the length of the wire one is also doubling the collisions that will occur, thus doubling the amount of energy lost in these collisions.
Apparatus
1.5m constantan wire
Crocodile clips
Ammeter (0-5A)
Voltmeter (0-10V)
Power Supply
Connecting leads
Metre rule
Method
1...
Essay fragment
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