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Define current density. Write its SI unit and dimension |
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Answer» Current density—Current density of a conductor is defined as the amount of current passing per unit area of the conductor held to the flow of chares : It can be expressed as— J = I/A It is a vector quantity. The S.I. unit of current density is ampere/ metre2 (Am–2) The dimension of current density is [MºL–2TºA] |
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