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Does temperature affect conductivity and resistance?

Young Scientist 2015 does temperature affect conductivity and resistance ? By Trisha Prabhu Table of Contents 1. Introduction .. 3 2. Aim of the Experiment .. 3 3. Background .. 3 Current .. 3 Voltage .. 3 resistance and Ohms Law .. 4 Why do we have resistance ? .. 4 5 Hypothesis .. 5 6 Method .. 5 Materials .. 5 Independent, Controlled and Dependent Variables .. 7 Independent Variables: .. 7 Controlled Variables: .. 7 Dependant Variable: .. 7 Health and Safety Risk Assessment .. 7 Procedure .. 8 7 Results and Observations .. 10 Trial 1 .. 11 Trial 2 .. 12 Trial 3 .. 13 8 Discussion .. 13 Why does resistance increase with temperature ? .. 14 9 Limitations .. 15 10 Suggestions for future research .. 16 11 Acknowledgement .. 16 12 References .. 16 APPENDIX A: 2015 LOG ENTRY .. 17 1. Introduction The problem I am investigating is the effect of temperature on conductivity and resistance .

One of the most important and basic laws of electrical circuits is Ohm’s Law that when a current I amperes flows inside a conductor of resistance R ohms , the voltage V volt across the wire will be the product of the current and the resistance.

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