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Current Density given Electric Current and Area Formula

GoCurrent Density given Conductivity Formula

GoCurrent Density given Resistivity Formula

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Electric Current Density is the amount of electric current per unit area of a given cross-section, typically measured in amperes per square meter. Check FAQs

J = \frac{I}{A cond}

J - Electric Current Density?I - Electric Current?A_cond - Area of Conductor?

Current Density given Electric Current and Area Example

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Here is how the Current Density given Electric Current and Area equation looks like with Values.

Here is how the Current Density given Electric Current and Area equation looks like with Units.

Here is how the Current Density given Electric Current and Area equation looks like.

100 = \frac{2.1}{0.021}

100A/mm² = \frac{2.1A}{0.021mm²}

100 = \frac{2.1}{0.021}

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Current Density given Electric Current and Area Solution

Follow our step by step solution on how to calculate Current Density given Electric Current and Area?

FIRST Step Consider the formula

J = \frac{I}{A cond}

Next Step Substitute values of Variables

∴

J = \frac{2.1A}{0.021mm²}

Next Step Convert Units

∴

J = \frac{2.1A}{2.1E-8m²}

Next Step Prepare to Evaluate

∴

J = \frac{2.1}{2.1E-8}

Next Step Evaluate

∴

J = 100000000A/m²

LAST Step Convert to Output's Unit

∴

J = 100A/mm²

Current Density given Electric Current and Area Formula Elements

Variables

Electric Current Density

Electric Current Density is the amount of electric current per unit area of a given cross-section, typically measured in amperes per square meter.

Symbol: J

Measurement: Surface Current DensityUnit: A/mm²

Note: Value can be positive or negative.

Formulas to find Electric Current Density

Electric Current

Electric Current is the flow of electrons in a conductor, measured in amperes, and is a fundamental concept in understanding electrical circuits and devices.

Symbol: I

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Electric Current

Area of Conductor

Area of Conductor is the cross-sectional area of a conductor, which affects the flow of electric current and is essential for efficient energy transmission.

Symbol: A_cond

Measurement: AreaUnit: mm²

Note: Value can be positive or negative.

Formulas to find Area of Conductor

Other Formulas to find Electric Current Density

Go Current Density given Conductivity

J = σ \cdot E

Go Current Density given Resistivity

J = \frac{E}{ρ}

Other formulas in Basics of Current Electricity category

Go Drift Speed

V d = \frac{E \cdot 𝛕 \cdot [Charge-e]}{2 \cdot [Mass-e]}

Go Drift Speed given Cross-Sectional Area

V d = \frac{I}{e - \cdot [Charge-e] \cdot A}

Go Electric Current given Charge and Time

I = \frac{q}{T Total}

Go Electromotive Force when Battery is Charging

V charging = ε + I \cdot R

How to Evaluate Current Density given Electric Current and Area?

Current Density given Electric Current and Area evaluator uses Electric Current Density = Electric Current/Area of Conductor to evaluate the Electric Current Density, Current Density given Electric Current and Area formula is defined as a measure of the amount of electric current per unit area of a given cross-sectional area of a conductor, providing a way to quantify the distribution of current within a conductor. Electric Current Density is denoted by J symbol.

How to evaluate Current Density given Electric Current and Area using this online evaluator? To use this online evaluator for Current Density given Electric Current and Area, enter Electric Current (I) & Area of Conductor (A_cond) and hit the calculate button.

FAQs on Current Density given Electric Current and Area

What is the formula to find Current Density given Electric Current and Area?

The formula of Current Density given Electric Current and Area is expressed as Electric Current Density = Electric Current/Area of Conductor. Here is an example- 0.0001 = 2.1/2.1E-08.

How to calculate Current Density given Electric Current and Area?

With Electric Current (I) & Area of Conductor (A_cond) we can find Current Density given Electric Current and Area using the formula - Electric Current Density = Electric Current/Area of Conductor.

What are the other ways to Calculate Electric Current Density?

Here are the different ways to Calculate Electric Current Density-

Electric Current Density=Conductivity*Electric Field
Electric Current Density=Electric Field/Resistivity

Can the Current Density given Electric Current and Area be negative?

Yes, the Current Density given Electric Current and Area, measured in Surface Current Density can be negative.

Which unit is used to measure Current Density given Electric Current and Area?

Current Density given Electric Current and Area is usually measured using the Ampere per Square Millimeter[A/mm²] for Surface Current Density. Ampere per Square Meter[A/mm²], Ampere per Square Centimeter[A/mm²], Ampere per Square Inch[A/mm²] are the few other units in which Current Density given Electric Current and Area can be measured.

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Current Density given Electric Current and Area Formula

​GoCurrent Density given Conductivity Formula

​GoCurrent Density given Resistivity Formula

Current Density given Electric Current and Area Example

Current Density given Electric Current and Area Solution

Current Density given Electric Current and Area Formula Elements

Other Formulas to find Electric Current Density

Other formulas in Basics of Current Electricity category

How to Evaluate Current Density given Electric Current and Area?

FAQs on Current Density given Electric Current and Area

Variable Name

GoCurrent Density given Conductivity Formula

GoCurrent Density given Resistivity Formula