Question:
Write the definition and unit of current density.
Write the definition and unit of current density.
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Current density indicates how much electric current flows through a given area.
Updated On: Mar 4, 2025
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Solution and Explanation
Current density (\( J \)) is defined as the current flowing per unit cross-sectional area.
\[
J = \frac{I}{A}
\]
The unit of current density is:
\[
\text{Ampere per square meter (A/m}^2)
\]
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