Q. SI unit of current density is

धारा घनत्व की SI इकाई है

A/m²
ए/एम²

V/m
वी/एम

Ohm/m
ओम/मी

W/m²
डब्ल्यू/एम²

Since $J = I/A$ , and current is in amperes (A), area in m²:

\text{Unit of } J = \frac{A}{\text{m}^2}

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