Electron Mean Free Path Calculator

✖Output resistance refers to the resistance of an electronic circuit to the flow of current when a load is connected to its output.ⓘ Output Resistance [R_out]			+10% -10%
✖Drain current is the current that flows between the drain and the source terminals of a field-effect transistor (FET), which is a type of transistor commonly used in electronic circuits.ⓘ Drain Current [i_d]			+10% -10%

✖Electron Mean Free Path which represents the average distance an electron can travel without scattering with impurities, defeat, or other obstacles within the solid state device.ⓘ Electron Mean Free Path [λ]

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Formula

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Electron Mean Free Path

Formula

`"λ" = 1/("R"_{"out"}*"i"_{"d"})`

Example

`"2.777778"=1/("4.5kΩ"*"0.08mA")`

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Electron Mean Free Path Solution

STEP 0: Pre-Calculation Summary

Formula Used

Electron Mean Free Path = 1/(Output Resistance*Drain Current)
λ = 1/(R_out*i_d)
This formula uses 3 Variables

Variables Used

Electron Mean Free Path - Electron Mean Free Path which represents the average distance an electron can travel without scattering with impurities, defeat, or other obstacles within the solid state device.
Output Resistance - (Measured in Ohm) - Output resistance refers to the resistance of an electronic circuit to the flow of current when a load is connected to its output.
Drain Current - (Measured in Ampere) - Drain current is the current that flows between the drain and the source terminals of a field-effect transistor (FET), which is a type of transistor commonly used in electronic circuits.

STEP 1: Convert Input(s) to Base Unit

Output Resistance: 4.5 Kilohm --> 4500 Ohm (Check conversion here)
Drain Current: 0.08 Milliampere --> 8E-05 Ampere (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

λ = 1/(R_out*i_d) --> 1/(4500*8E-05)

Evaluating ... ...

λ = 2.77777777777778

STEP 3: Convert Result to Output's Unit

2.77777777777778 --> No Conversion Required

FINAL ANSWER

2.77777777777778 ≈ 2.777778 <-- Electron Mean Free Path

(Calculation completed in 00.004 seconds)

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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Vishwakarma Government Engineering College (VGEC), Ahmedabad

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< 14 Resistance Calculators

MOSFET as Linear Resistance given Aspect Ratio

Go Linear Resistance = Channel Length/(Mobility of Electrons at Surface of Channel*Oxide Capacitance*Channel Width*Effective Voltage)

Output Resistance of Differential Amplifier

Go Output Resistance = ((Common Mode Input Signal*Transconductance)-Total Current)/(2*Transconductance*Total Current)

Input Resistance of Mosfet

Go Input Resistance = Input Voltage/(Collector Current*Small Signal Current Gain)

Finite Resistance between Drain and Source

Go Finite Resistance = modulus(Positive DC Voltage)/Drain Current

Output Resistance given Channel Length Modulation

Go Output Resistance = 1/(Channel Length Modulation*Drain Current)

Input Resistance given Transconductance

Go Input Resistance = Small Signal Current Gain/Transconductance

Electron Mean Free Path

Go Electron Mean Free Path = 1/(Output Resistance*Drain Current)

Drain Output Resistance

Go Output Resistance = 1/(Electron Mean Free Path*Drain Current)

Output Resistance given Transconductance

Go Output Resistance = 1/(Carrier Mobility*Transconductance)

Voltage Dependent Resistance in MOSFET

Go Finite Resistance = Effective Voltage/Drain Current

Output Resistance of Mosfet

Go Output Resistance = Early Voltage/Collector Current

Small Signal Input Resistance

Go Input Resistance = Input Voltage/Base Current

Conductance in Linear Resistance of MOSFET

Go Conductance of Channel = 1/Linear Resistance

MOSFET as Linear Resistance

Go Linear Resistance = 1/Conductance of Channel

Electron Mean Free Path Formula

Electron Mean Free Path = 1/(Output Resistance*Drain Current)
λ = 1/(R_out*i_d)

What is a MOSFET and how it works?

In general, the MOSFET works as a switch, the MOSFET controls the voltage and current flow between the source and drain. The working of the MOSFET depends on the MOS capacitor, which is the semiconductor surface below the oxide layers between the source and drain terminal.

How to Calculate Electron Mean Free Path?

Electron Mean Free Path calculator uses Electron Mean Free Path = 1/(Output Resistance*Drain Current) to calculate the Electron Mean Free Path, Electron Mean Free Path is the average distance traveled by an electron in a material before colliding with other particles or impurities. Electron Mean Free Path is denoted by λ symbol.

How to calculate Electron Mean Free Path using this online calculator? To use this online calculator for Electron Mean Free Path, enter Output Resistance (R_out) & Drain Current (i_d) and hit the calculate button. Here is how the Electron Mean Free Path calculation can be explained with given input values -> 2.777778 = 1/(4500*8E-05).

FAQ

What is Electron Mean Free Path?

Electron Mean Free Path is the average distance traveled by an electron in a material before colliding with other particles or impurities and is represented as λ = 1/(R_out*i_d) or Electron Mean Free Path = 1/(Output Resistance*Drain Current). Output resistance refers to the resistance of an electronic circuit to the flow of current when a load is connected to its output & Drain current is the current that flows between the drain and the source terminals of a field-effect transistor (FET), which is a type of transistor commonly used in electronic circuits.

How to calculate Electron Mean Free Path?

Electron Mean Free Path is the average distance traveled by an electron in a material before colliding with other particles or impurities is calculated using Electron Mean Free Path = 1/(Output Resistance*Drain Current). To calculate Electron Mean Free Path, you need Output Resistance (R_out) & Drain Current (i_d). With our tool, you need to enter the respective value for Output Resistance & Drain Current and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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