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Current Through Different Cross-Sections
### Formula
$$I=constant$$
### Current Density Relation
$$J=\frac{I}{A}$$
### Conditions / Special Cases
Smaller area:
$$J\uparrow$$
Larger area:
$$J\downarrow$$
### Usage
- Used in non-uniform wire problems.
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Current Through Different Cross-Sections
### Formula
$$I=constant$$
### Current Density Relation
$$J=\frac{I}{A}$$
### Conditions / Special Cases
Smaller area:
$$J\uparrow$$
Larger area:
$$J\downarrow$$
### Usage
- Used in non-uniform wire problems.
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