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Drift Current Density Formula

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Drift Current Density refers to the flow of charge carriers in a material due to the influence of an electric field. Check FAQs

J drift = J p + J n

J_drift - Drift Current Density?J_p - Holes Current Density?J_n - Electron Current Density?

Drift Current Density Example

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

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

Here is how the Drift Current Density equation looks like.

49.79 = 17.79 + 32

49.79A/m² = 17.79A/m² + 32A/m²

49.79 = 17.79 + 32

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Drift Current Density Solution

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

FIRST Step Consider the formula

J drift = J p + J n

Next Step Substitute values of Variables

∴

J drift = 17.79A/m² + 32A/m²

Next Step Prepare to Evaluate

∴

J drift = 17.79 + 32

LAST Step Evaluate

∴

J drift = 49.79A/m²

Drift Current Density Formula Elements

Variables

Drift Current Density

Drift Current Density refers to the flow of charge carriers in a material due to the influence of an electric field.

Symbol: J_drift

Measurement: Surface Current DensityUnit: A/m²

Note: Value can be positive or negative.

Formulas to find Drift Current Density

Holes Current Density

Holes Current Density is defined as the amount of electric current traveling due to holes per unit cross-section area. It is called as current density and expressed in amperes per square meter.

Symbol: J_p

Measurement: Surface Current DensityUnit: A/m²

Note: Value should be greater than 0.

Formulas to find Holes Current Density

Electron Current Density

Electron Current Density is defined as the amount of electric current due to electron traveling per unit cross-section area. It is called as current density and expressed in amperes per square meter.

Symbol: J_n

Measurement: Surface Current DensityUnit: A/m²

Note: Value should be greater than 0.

Formulas to find Electron Current Density

Other formulas in Semiconductor Characteristics category

Go Fermi Level of Intrinsic Semiconductors

E Fi = \frac{E c + E v}{2}

Go Mobility of Charge Carriers

μ = \frac{V d}{E I}

Go Electron Diffusion Length

L n = \sqrt{D n \cdot τ n}

Go Conductivity in Semiconductors

σ = (ρ e \cdot [Charge-e] \cdot μ n) + (ρ h \cdot [Charge-e] \cdot μ p)

How to Evaluate Drift Current Density?

Drift Current Density evaluator uses Drift Current Density = Holes Current Density+Electron Current Density to evaluate the Drift Current Density, Drift Current Density refers to the flow of charge carriers in a material due to the influence of an electric field. It is one of the two main components of electric current in a semiconductor or any other conductive material, the other being diffusion current density. Drift Current Density is denoted by J_drift symbol.

How to evaluate Drift Current Density using this online evaluator? To use this online evaluator for Drift Current Density, enter Holes Current Density (J_p) & Electron Current Density (J_n) and hit the calculate button.

FAQs on Drift Current Density

What is the formula to find Drift Current Density?

The formula of Drift Current Density is expressed as Drift Current Density = Holes Current Density+Electron Current Density. Here is an example- 49.79 = 17.79+32.

How to calculate Drift Current Density?

With Holes Current Density (J_p) & Electron Current Density (J_n) we can find Drift Current Density using the formula - Drift Current Density = Holes Current Density+Electron Current Density.

Can the Drift Current Density be negative?

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

Which unit is used to measure Drift Current Density?

Drift Current Density is usually measured using the Ampere per Square Meter[A/m²] for Surface Current Density. Ampere per Square Centimeter[A/m²], Ampere per Square Inch[A/m²], Ampere per Circular Mil[A/m²] are the few other units in which Drift Current Density can be measured.

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Drift Current Density Formula

Drift Current Density Example

Drift Current Density Solution

Drift Current Density Formula Elements

Other formulas in Semiconductor Characteristics category

How to Evaluate Drift Current Density?

FAQs on Drift Current Density

Variable Name