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Factors Affecting Resistance
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This video will go through what causes resistance on a microscopic level and how length, resistivity and cross-sectional area of a wire affects resistance. It is part of Topic 5.2 of the IB Physics Syllabus so it is important for both SL and HL.
For more information on the behaviour of electrons in semiconductors, I recommend the following video from MITK12 videos:
For more information on the behaviour of electrons in semiconductors, I recommend the following video from MITK12 videos:
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