How is resistance ,resistivity and drift velocity is affected if length of the wire is doubled keeping voltage constant?
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Resistance becomes doubles.
Resistivity remains unchanged.
Drift velocity becomes half as it is inversely proportional to the length according to the relation v=eVt/lm
Here t is average relaxation time of free electron actually it is denoted by toe since i don't have to Denote it that's why i write t in place of it.
Resistivity remains unchanged.
Drift velocity becomes half as it is inversely proportional to the length according to the relation v=eVt/lm
Here t is average relaxation time of free electron actually it is denoted by toe since i don't have to Denote it that's why i write t in place of it.
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