Prove that the current density is directly proportional to drift speed of electrons
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We know , j(current density) = I/A
I= neAV
n=free electron density
e= elementary charge
A= surface area
V = drift speed
j= neV
Since , n and e are constant
j is directly proportional to V
I= neAV
n=free electron density
e= elementary charge
A= surface area
V = drift speed
j= neV
Since , n and e are constant
j is directly proportional to V
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