Question

A current 1.8 flows through a wire of area of cross sectional area 0.5 mm2. Find the the current density in the wire.
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Answer 1

Answer:

The coulomb is a derived unit. One coulomb is the amount of charge transferred by one ampère of current in one second of time [C = A s].

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J, J = current density [A/m2] as a vector or its scalar magnitude

ρ = charge density [C/m3]

v = drift velocity

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Answer 2

Answer:

156

Explanation:

Because of condutar