Critical Voltage Formula

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Critical Voltage is the minimum phase to the neutral voltage which glows and appears all along the line conductor. Check FAQs
Vx=ExEch
Vx - Critical Voltage?Ex - Critical Electric Field?Ech - Electric Field Across Channel Length?

Critical Voltage Example

With values
With units
Only example

Here is how the Critical Voltage equation looks like with Values.

Here is how the Critical Voltage equation looks like with Units.

Here is how the Critical Voltage equation looks like.

28Edit=0.004Edit0.007Edit
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Critical Voltage Solution

Follow our step by step solution on how to calculate Critical Voltage?

FIRST Step Consider the formula
Vx=ExEch
Next Step Substitute values of Variables
Vx=0.004V/mm0.007V/mm
Next Step Convert Units
Vx=4V/m7V/m
Next Step Prepare to Evaluate
Vx=47
LAST Step Evaluate
Vx=28V

Critical Voltage Formula Elements

Variables
Critical Voltage
Critical Voltage is the minimum phase to the neutral voltage which glows and appears all along the line conductor.
Symbol: Vx
Measurement: Electric PotentialUnit: V
Note: Value should be greater than 0.
Critical Electric Field
Critical Electric Field is defined as the electric force per unit charge.
Symbol: Ex
Measurement: Electric Field StrengthUnit: V/mm
Note: Value should be greater than 0.
Electric Field Across Channel Length
Electric Field Across Channel Lengthis the produced electric field in the channel during the process.
Symbol: Ech
Measurement: Electric Field StrengthUnit: V/mm
Note: Value should be greater than 0.

Other formulas in VLSI Material Optimization category

​Go Body Effect Coefficient
γ=modu̲s(Vt-Vt0Φs+(Vsb)-Φs)
​Go Channel Charge
Qch=Cg(Vgc-Vt)
​Go DIBL Coefficient
η=Vt0-VtVds
​Go Gate Capacitance
Cg=QchVgc-Vt

How to Evaluate Critical Voltage?

Critical Voltage evaluator uses Critical Voltage = Critical Electric Field*Electric Field Across Channel Length to evaluate the Critical Voltage, The Critical Voltage formula is defined as the drain-source voltage at which the critical effective field is reached. Critical Voltage is denoted by Vx symbol.

How to evaluate Critical Voltage using this online evaluator? To use this online evaluator for Critical Voltage, enter Critical Electric Field (Ex) & Electric Field Across Channel Length (Ech) and hit the calculate button.

FAQs on Critical Voltage

What is the formula to find Critical Voltage?
The formula of Critical Voltage is expressed as Critical Voltage = Critical Electric Field*Electric Field Across Channel Length. Here is an example- 28 = 4*7.
How to calculate Critical Voltage?
With Critical Electric Field (Ex) & Electric Field Across Channel Length (Ech) we can find Critical Voltage using the formula - Critical Voltage = Critical Electric Field*Electric Field Across Channel Length.
Can the Critical Voltage be negative?
No, the Critical Voltage, measured in Electric Potential cannot be negative.
Which unit is used to measure Critical Voltage?
Critical Voltage is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Critical Voltage can be measured.
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