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Current per unit area normal to the current is called:

ACurrent density
BCurrent gradient
CCurrent velocity
DCurrent capacity
Answer & Solution
Correct answer: A. Current density
1. The quantity I over A is given its own name. 2. It is called current density and is denoted by j. 3. So the correct answer is current density. _Source: syllabus Physics Part I, Ch 3 'Current Electricity'_
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