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Electromagnetism
Cross-Sectional Area in Current Electricity Formulas
Cross-Sectional Area is the area of a given cross-section of a conductor, which affects the flow of electric current through it. And is denoted by A. Cross-Sectional Area is usually measured using the Square Millimeter for Area. Note that the value of Cross-Sectional Area is always positive.
Current Electricity formulas that make use of Cross-Sectional Area
f
x
Resistance
Go
f
x
Drift Speed given Cross-Sectional Area
Go
f
x
Electric Current given Drift Velocity
Go
FAQ
What is the Cross-Sectional Area?
Cross-Sectional Area is the area of a given cross-section of a conductor, which affects the flow of electric current through it. Cross-Sectional Area is usually measured using the Square Millimeter for Area. Note that the value of Cross-Sectional Area is always positive.
Can the Cross-Sectional Area be negative?
No, the Cross-Sectional Area, measured in Area cannot be negative.
What unit is used to measure Cross-Sectional Area?
Cross-Sectional Area is usually measured using the Square Millimeter[mm²] for Area. Square Meter[mm²], Square Kilometer[mm²], Square Centimeter[mm²] are the few other units in which Cross-Sectional Area can be measured.
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