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Resistance(2-Wire DC OS) Formula

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Resistance Overhead DC is defined as the property of the wire or line that opposes the flow of current through it. Check FAQs

R = ρ \cdot \frac{L}{A}

R - Resistance Overhead DC?ρ - Resistivity?L - Length of Wire DC?A - Area of Overhead DC Wire?

Resistance(2-Wire DC OS) Example

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Here is how the Resistance(2-Wire DC OS) equation looks like with Values.

Here is how the Resistance(2-Wire DC OS) equation looks like with Units.

Here is how the Resistance(2-Wire DC OS) equation looks like.

0.0003 = 1.7E-5 \cdot \frac{12.7}{0.65}

0.0003Ω = 1.7E-5Ω*m \cdot \frac{12.7m}{0.65m²}

0.0003 = 1.7E-5 \cdot \frac{12.7}{0.65}

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Resistance(2-Wire DC OS) Solution

Follow our step by step solution on how to calculate Resistance(2-Wire DC OS)?

FIRST Step Consider the formula

R = ρ \cdot \frac{L}{A}

Next Step Substitute values of Variables

∴

R = 1.7E-5Ω*m \cdot \frac{12.7m}{0.65m²}

Next Step Prepare to Evaluate

∴

R = 1.7E-5 \cdot \frac{12.7}{0.65}

Next Step Evaluate

∴

R = 0.000332153846153846Ω

LAST Step Rounding Answer

∴

R = 0.0003Ω

Resistance(2-Wire DC OS) Formula Elements

Variables

Resistance Overhead DC

Resistance Overhead DC is defined as the property of the wire or line that opposes the flow of current through it.

Symbol: R

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Resistance Overhead DC

Resistivity

Resistivity is the measure of how strongly a material opposes the flow of current through them.

Symbol: ρ

Measurement: Electric ResistivityUnit: Ω*m

Note: Value can be positive or negative.

Formulas to find Resistivity

Length of Wire DC

Length of Wire DC is the total length of the wire from one end to other end.

Symbol: L

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length of Wire DC

Area of Overhead DC Wire

Area of Overhead DC Wire is defined as the cross-sectional area of the wire of an overhead DC supply system.

Symbol: A

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Area of Overhead DC Wire

Other formulas in 2 Wire System category

Go Maximum Voltage using Area of X-Section(DC Two-Wire OS)

V m = \sqrt{(P^{2}) \cdot ρ \cdot \frac{L}{A \cdot P loss}}

Go Load Current using Line Losses(DC Two-Wire OS)

I = \sqrt{\frac{P loss}{2 \cdot R}}

Go Length using Volume of Conductor Material (DC 2-Wire OS)

L = \sqrt{V \cdot P loss \cdot \frac{{V m}^{2}}{(4) \cdot ρ \cdot (P^{2})}}

Go Line Losses using Volume of Conductor Material (DC 2-Wire OS)

P loss = 4 \cdot ρ \cdot \frac{{(P \cdot L)}^{2}}{V \cdot ({V m}^{2})}

How to Evaluate Resistance(2-Wire DC OS)?

Resistance(2-Wire DC OS) evaluator uses Resistance Overhead DC = Resistivity*Length of Wire DC/Area of Overhead DC Wire to evaluate the Resistance Overhead DC, The Resistance(2-wire DC OS) formula is defined as a measure of the opposition to current flow in an electrical circuit. Resistance Overhead DC is denoted by R symbol.

How to evaluate Resistance(2-Wire DC OS) using this online evaluator? To use this online evaluator for Resistance(2-Wire DC OS), enter Resistivity (ρ), Length of Wire DC (L) & Area of Overhead DC Wire (A) and hit the calculate button.

FAQs on Resistance(2-Wire DC OS)

What is the formula to find Resistance(2-Wire DC OS)?

The formula of Resistance(2-Wire DC OS) is expressed as Resistance Overhead DC = Resistivity*Length of Wire DC/Area of Overhead DC Wire. Here is an example- 0.000332 = 1.7E-05*12.7/0.65.

How to calculate Resistance(2-Wire DC OS)?

With Resistivity (ρ), Length of Wire DC (L) & Area of Overhead DC Wire (A) we can find Resistance(2-Wire DC OS) using the formula - Resistance Overhead DC = Resistivity*Length of Wire DC/Area of Overhead DC Wire.

Can the Resistance(2-Wire DC OS) be negative?

Yes, the Resistance(2-Wire DC OS), measured in Electric Resistance can be negative.

Which unit is used to measure Resistance(2-Wire DC OS)?

Resistance(2-Wire DC OS) 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 Resistance(2-Wire DC OS) can be measured.

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