1. Tardigrade
  2. Question
  3. Physics
  4. Let J is the current density at a point in a conductor and vecE the electric field there. Further n is the number density of charge carriers, e the charge on them, m is their mass, τ the relaxation time. Then, J is equal to

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Q. Let $J$ is the current density at a point in a conductor and $\vec{E}$ the electric field there. Further $n$ is the number density of charge carriers, $e$ the charge on them, $m$ is their mass, $\tau$ the relaxation time. Then, $J$ is equal to

Current Electricity

Solution:

As stated.