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Current Density given Conductivity Formula

GoCurrent Density given Resistivity Formula

GoCurrent Density given Electric Current and Area 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 = σ \cdot E

J - Electric Current Density?σ - Conductivity?E - Electric Field?

Current Density given Conductivity Example

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With units

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Here is how the Current Density given Conductivity equation looks like with Values.

Here is how the Current Density given Conductivity equation looks like with Units.

Here is how the Current Density given Conductivity equation looks like.

100.02 = 1667 \cdot 60

100.02A/mm² = 1667S/m \cdot 60V/mm

100.02 = 1667 \cdot 60

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Current Density given Conductivity Solution

Follow our step by step solution on how to calculate Current Density given Conductivity?

FIRST Step Consider the formula

J = σ \cdot E

Next Step Substitute values of Variables

∴

J = 1667S/m \cdot 60V/mm

Next Step Convert Units

∴

J = 1667S/m \cdot 60000V/m

Next Step Prepare to Evaluate

∴

J = 1667 \cdot 60000

Next Step Evaluate

∴

J = 100020000A/m²

LAST Step Convert to Output's Unit

∴

J = 100.02A/mm²

Current Density given Conductivity 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

Conductivity

Conductivity is the ability of a material to conduct electricity, measured by the flow of electric current through it with minimal resistance.

Symbol: σ

Measurement: Electric ConductivityUnit: S/m

Note: Value should be greater than 0.

Formulas to find Conductivity

Electric Field

Electric Field is the force per unit charge at a given point in space, created by the presence of electric charges or changing magnetic fields.

Symbol: E

Measurement: Electric Field StrengthUnit: V/mm

Note: Value can be positive or negative.

Formulas to find Electric Field

Other Formulas to find Electric Current Density

Go Current Density given Resistivity

J = \frac{E}{ρ}

Go Current Density given Electric Current and Area

J = \frac{I}{A cond}

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 Conductivity?

Current Density given Conductivity evaluator uses Electric Current Density = Conductivity*Electric Field to evaluate the Electric Current Density, Current Density given Conductivity formula is defined as a measure of the amount of electric current per unit area of a given cross-section, which is dependent on the material's ability to conduct electricity and the electric field strength, providing valuable insights into the flow of electric current in various materials and devices. Electric Current Density is denoted by J symbol.

How to evaluate Current Density given Conductivity using this online evaluator? To use this online evaluator for Current Density given Conductivity, enter Conductivity (σ) & Electric Field (E) and hit the calculate button.

FAQs on Current Density given Conductivity

What is the formula to find Current Density given Conductivity?

The formula of Current Density given Conductivity is expressed as Electric Current Density = Conductivity*Electric Field. Here is an example- 0.001 = 1667*60000.

How to calculate Current Density given Conductivity?

With Conductivity (σ) & Electric Field (E) we can find Current Density given Conductivity using the formula - Electric Current Density = Conductivity*Electric Field.

What are the other ways to Calculate Electric Current Density?

Here are the different ways to Calculate Electric Current Density-

Electric Current Density=Electric Field/Resistivity
Electric Current Density=Electric Current/Area of Conductor

Can the Current Density given Conductivity be negative?

Yes, the Current Density given Conductivity, measured in Surface Current Density can be negative.

Which unit is used to measure Current Density given Conductivity?

Current Density given Conductivity 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 Conductivity can be measured.

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