RESISTIVITY
Chapter 3: Chapter 3 · PHYSICS PART-1 · EN medium
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As remarked before, an electron will suffer collisions with the heavy fixed ions, but after collision, it will emerge with the same speed but in random directions. If we consider all the electrons, their average velocity will be zero since their directions are random. Thus, if there are N electrons and the velocity of the ith electron (i = , , , ... N) at a given time is vi, then
📖 NCERT Class 12 Physics Part 1 · Page 101
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As remarked before, an electron will suffer collisions with the heavy fixed ions, but after collision, it will emerge with the same speed but in random directions. If we consider all the electrons, their average velocity will be zero since their directions are random. Thus, if there are N electrons and the velocity of the ith electron (i = , , , ... N) at a given time is vi, then
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