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Drift Current Density due to Free Electrons Formula

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Drift Current Density due to Electrons refers to the movement of charge carriers (electrons) in a semiconductor material under the influence of an electric field. Check FAQs

J n = [Charge-e] \cdot n \cdot μ n \cdot E i

J_n - Drift Current Density due to Electrons?n - Electron Concentration?μ_n - Electron Mobility?E_i - Electric Field Intensity?[Charge-e] - Charge of electron?

Drift Current Density due to Free Electrons Example

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Here is how the Drift Current Density due to Free Electrons equation looks like with Values.

Here is how the Drift Current Density due to Free Electrons equation looks like with Units.

Here is how the Drift Current Density due to Free Electrons equation looks like.

53.8331 = 1.6E-19 \cdot 1E+6 \cdot 30 \cdot 11.2

53.8331µA = 1.6E-19C \cdot 1E+6electrons/cm³ \cdot 30m²/V*s \cdot 11.2V/m

53.8331 = 1.6E-19 \cdot 1E+6 \cdot 30 \cdot 11.2

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Drift Current Density due to Free Electrons Solution

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

FIRST Step Consider the formula

J n = [Charge-e] \cdot n \cdot μ n \cdot E i

Next Step Substitute values of Variables

∴

J n = [Charge-e] \cdot 1E+6electrons/cm³ \cdot 30m²/V*s \cdot 11.2V/m

Next Step Substitute values of Constants

∴

J n = 1.6E-19C \cdot 1E+6electrons/cm³ \cdot 30m²/V*s \cdot 11.2V/m

Next Step Convert Units

∴

J n = 1.6E-19C \cdot 1E+12electrons/m³ \cdot 30m²/V*s \cdot 11.2V/m

Next Step Prepare to Evaluate

∴

J n = 1.6E-19 \cdot 1E+12 \cdot 30 \cdot 11.2

Next Step Evaluate

∴

J n = 5.3833134432E-05A

Next Step Convert to Output's Unit

∴

J n = 53.833134432µA

LAST Step Rounding Answer

∴

J n = 53.8331µA

Drift Current Density due to Free Electrons Formula Elements

Variables

Constants

Drift Current Density due to Electrons

Drift Current Density due to Electrons refers to the movement of charge carriers (electrons) in a semiconductor material under the influence of an electric field.

Symbol: J_n

Measurement: Electric CurrentUnit: µA

Note: Value should be greater than 0.

Formulas to find Drift Current Density due to Electrons

Electron Concentration

Electron Concentration refers to the number of electrons per unit volume in a material.

Symbol: n

Measurement: Electron DensityUnit: electrons/cm³

Note: Value should be greater than 0.

Formulas to find Electron Concentration

Electron Mobility

Electron Mobility describes how quickly electrons can move through the material in response to an electric field.

Symbol: μ_n

Measurement: MobilityUnit: m²/V*s

Note: Value should be greater than 0.

Formulas to find Electron Mobility

Electric Field Intensity

Electric Field Intensity is a vector quantity that represents the force experienced by a positive test charge at a given point in space due to the presence of other charges.

Symbol: E_i

Measurement: Electric Field StrengthUnit: V/m

Note: Value should be greater than 0.

Formulas to find Electric Field Intensity

Charge of electron

Charge of electron is a fundamental physical constant, representing the electric charge carried by an electron, which is the elementary particle with a negative electric charge.

Symbol: [Charge-e]

Value: 1.60217662E-19 C

Other formulas in MOS IC Fabrication category

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Go Drain Current of MOSFET at Saturation Region

I d = \frac{β}{2} \cdot {(V gs - V th)}^{2} \cdot (1 + λ i \cdot V ds)

Go Channel Resistance

R ch = \frac{L t}{W t} \cdot \frac{1}{μ n \cdot Q on}

How to Evaluate Drift Current Density due to Free Electrons?

Drift Current Density due to Free Electrons evaluator uses Drift Current Density due to Electrons = [Charge-e]*Electron Concentration*Electron Mobility*Electric Field Intensity to evaluate the Drift Current Density due to Electrons, Drift Current Density due to Free Electrons is defined as the contribution of electrons to the overall drift current density in a semiconductor. Drift Current Density due to Electrons is denoted by J_n symbol.

How to evaluate Drift Current Density due to Free Electrons using this online evaluator? To use this online evaluator for Drift Current Density due to Free Electrons, enter Electron Concentration (n), Electron Mobility (μ_n) & Electric Field Intensity (E_i) and hit the calculate button.

FAQs on Drift Current Density due to Free Electrons

What is the formula to find Drift Current Density due to Free Electrons?

The formula of Drift Current Density due to Free Electrons is expressed as Drift Current Density due to Electrons = [Charge-e]*Electron Concentration*Electron Mobility*Electric Field Intensity. Here is an example- 5.4E-5 = [Charge-e]*1000000000000*30*11.2.

How to calculate Drift Current Density due to Free Electrons?

With Electron Concentration (n), Electron Mobility (μ_n) & Electric Field Intensity (E_i) we can find Drift Current Density due to Free Electrons using the formula - Drift Current Density due to Electrons = [Charge-e]*Electron Concentration*Electron Mobility*Electric Field Intensity. This formula also uses Charge of electron constant(s).

Can the Drift Current Density due to Free Electrons be negative?

No, the Drift Current Density due to Free Electrons, measured in Electric Current cannot be negative.

Which unit is used to measure Drift Current Density due to Free Electrons?

Drift Current Density due to Free Electrons is usually measured using the Microampere[µA] for Electric Current. Ampere[µA], Milliampere[µA], Centiampere[µA] are the few other units in which Drift Current Density due to Free Electrons can be measured.

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Drift Current Density due to Free Electrons Formula

Drift Current Density due to Free Electrons Example

Drift Current Density due to Free Electrons Solution

Drift Current Density due to Free Electrons Formula Elements

Other formulas in MOS IC Fabrication category

How to Evaluate Drift Current Density due to Free Electrons?

FAQs on Drift Current Density due to Free Electrons

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