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Characteristic Impedance (Line SC) Formula

GoCharacteristic Impedance using Transmitted Current Formula

GoCharacteristic Impedance using Reflected Coefficient of Current Formula

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The characteristic impedance of a uniform transmission line is the ratio of the amplitudes of voltage and current of a single wave propagating along the line during transient condition. Check FAQs

Z 0 = \frac{V i}{I i}

Z₀ - Characteristic Impedance?V_i - Incident Voltage?I_i - Incident Current?

Characteristic Impedance (Line SC) Example

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Here is how the Characteristic Impedance (Line SC) equation looks like with Values.

Here is how the Characteristic Impedance (Line SC) equation looks like with Units.

Here is how the Characteristic Impedance (Line SC) equation looks like.

0.5 = \frac{6}{12}

0.5Ω = \frac{6V}{12A}

0.5 = \frac{6}{12}

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Characteristic Impedance (Line SC) Solution

Follow our step by step solution on how to calculate Characteristic Impedance (Line SC)?

FIRST Step Consider the formula

Z 0 = \frac{V i}{I i}

Next Step Substitute values of Variables

∴

Z 0 = \frac{6V}{12A}

Next Step Prepare to Evaluate

∴

Z 0 = \frac{6}{12}

LAST Step Evaluate

∴

Z 0 = 0.5Ω

Characteristic Impedance (Line SC) Formula Elements

Variables

Characteristic Impedance

The characteristic impedance of a uniform transmission line is the ratio of the amplitudes of voltage and current of a single wave propagating along the line during transient condition.

Symbol: Z₀

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Characteristic Impedance

Incident Voltage

The Incident Voltage on the transmission line is equal to half the generator voltage.

Symbol: V_i

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Incident Voltage

Incident Current

Incident Current is the Current wave that is traveling from the sending end to the receiving end of the Transmission line during any transient condition.

Symbol: I_i

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Incident Current

Other Formulas to find Characteristic Impedance

Go Characteristic Impedance using Transmitted Current

Z 0 = I l \cdot \frac{2 \cdot I i - I t}{I t}

Go Characteristic Impedance using Reflected Coefficient of Current

Z 0 = I l \cdot \frac{ρ i - 1}{1 - ρ i}

Go Characteristic Impedance using Reflected Coefficient of Voltage

Z 0 = I l \cdot \frac{1 - ρ v}{ρ v + 1}

Go Characteristic Impedance using Transmitted Coefficient of Voltage

Z 0 = I l \cdot \frac{2 - τ v}{τ v}

Other formulas in Transient category

Go Incident Voltage using Transmitted Voltage (Load OC)

V i = \frac{V t}{2}

Go Load Impedance using Reflected Coefficient of Current

I l = Z 0 \cdot \frac{1 - ρ i}{ρ i - 1}

Go Load Impedance using Reflected Coefficient of Voltage

I l = Z 0 \cdot \frac{ρ v + 1}{1 - ρ v}

Go Reflection Coefficient for Voltage

ρ v = \frac{E r}{V i}

How to Evaluate Characteristic Impedance (Line SC)?

Characteristic Impedance (Line SC) evaluator uses Characteristic Impedance = Incident Voltage/Incident Current to evaluate the Characteristic Impedance, The Characteristic Impedance (Line SC) formula is defined as the apparent opposition in an electrical circuit to the flow of an alternating current that is analogous to the actual electrical resistance to a direct current and that is the ratio of effective electromotive force to the effective current. Characteristic Impedance is denoted by Z₀ symbol.

How to evaluate Characteristic Impedance (Line SC) using this online evaluator? To use this online evaluator for Characteristic Impedance (Line SC), enter Incident Voltage (V_i) & Incident Current (I_i) and hit the calculate button.

FAQs on Characteristic Impedance (Line SC)

What is the formula to find Characteristic Impedance (Line SC)?

The formula of Characteristic Impedance (Line SC) is expressed as Characteristic Impedance = Incident Voltage/Incident Current. Here is an example- 0.5 = 6/12.

How to calculate Characteristic Impedance (Line SC)?

With Incident Voltage (V_i) & Incident Current (I_i) we can find Characteristic Impedance (Line SC) using the formula - Characteristic Impedance = Incident Voltage/Incident Current.

What are the other ways to Calculate Characteristic Impedance?

Here are the different ways to Calculate Characteristic Impedance-

Characteristic Impedance=Load Impedance*(2*Incident Current-Transmitted Current)/Transmitted Current
Characteristic Impedance=Load Impedance*(Reflection Coefficient of Current-1)/(1-Reflection Coefficient of Current)
Characteristic Impedance=Load Impedance*(1-Reflection Coefficient of Voltage)/(Reflection Coefficient of Voltage+1)

Can the Characteristic Impedance (Line SC) be negative?

Yes, the Characteristic Impedance (Line SC), measured in Electric Resistance can be negative.

Which unit is used to measure Characteristic Impedance (Line SC)?

Characteristic Impedance (Line SC) is usually measured using the Ohm[Ω] for Electric Resistance. Megohm[Ω], Microhm[Ω], Volt per Ampere[Ω] are the few other units in which Characteristic Impedance (Line SC) can be measured.

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Characteristic Impedance (Line SC) Formula

​GoCharacteristic Impedance using Transmitted Current Formula

​GoCharacteristic Impedance using Reflected Coefficient of Current Formula

Characteristic Impedance (Line SC) Example

Characteristic Impedance (Line SC) Solution

Characteristic Impedance (Line SC) Formula Elements

Other Formulas to find Characteristic Impedance

Other formulas in Transient category

How to Evaluate Characteristic Impedance (Line SC)?

FAQs on Characteristic Impedance (Line SC)

Variable Name

GoCharacteristic Impedance using Transmitted Current Formula

GoCharacteristic Impedance using Reflected Coefficient of Current Formula