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Resistance(DC 3-Wire) Formula

GoResistance using Line Losses(DC 3-Wire) 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(DC 3-Wire) Example

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Here is how the Resistance(DC 3-Wire) equation looks like with Values.

Here is how the Resistance(DC 3-Wire) equation looks like with Units.

Here is how the Resistance(DC 3-Wire) 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(DC 3-Wire) Solution

Follow our step by step solution on how to calculate Resistance(DC 3-Wire)?

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(DC 3-Wire) 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 to find Resistance Overhead DC

Go Resistance using Line Losses(DC 3-Wire)

R = \frac{P loss}{2} \cdot (I^{2})

Other formulas in Resistance and Resistivity category

Go Resistivity using Line Losses(DC 3-Wire)

ρ = \frac{P loss \cdot A}{2 \cdot L \cdot (I^{2})}

Go Resistivity using Volume of Conductor Material (DC 3-Wire)

ρ = V \cdot P loss \cdot \frac{{V m}^{2}}{(0.3125) \cdot (P^{2}) \cdot (L^{2})}

Go Resistivity using Constant(DC 3-Wire)

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

Go Resistivity using Area of X-Section(DC 3-Wire)

ρ = \frac{P loss \cdot A}{2 \cdot L \cdot (I^{2})}

How to Evaluate Resistance(DC 3-Wire)?

Resistance(DC 3-Wire) evaluator uses Resistance Overhead DC = Resistivity*Length of Wire DC/Area of Overhead DC Wire to evaluate the Resistance Overhead DC, The Resistance(DC 3-wire) 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(DC 3-Wire) using this online evaluator? To use this online evaluator for Resistance(DC 3-Wire), enter Resistivity (ρ), Length of Wire DC (L) & Area of Overhead DC Wire (A) and hit the calculate button.

FAQs on Resistance(DC 3-Wire)

What is the formula to find Resistance(DC 3-Wire)?

The formula of Resistance(DC 3-Wire) 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(DC 3-Wire)?

With Resistivity (ρ), Length of Wire DC (L) & Area of Overhead DC Wire (A) we can find Resistance(DC 3-Wire) using the formula - Resistance Overhead DC = Resistivity*Length of Wire DC/Area of Overhead DC Wire.

What are the other ways to Calculate Resistance Overhead DC?

Here are the different ways to Calculate Resistance Overhead DC-

Resistance Overhead DC=Line Losses/2*(Current Overhead DC^2)

Can the Resistance(DC 3-Wire) be negative?

Yes, the Resistance(DC 3-Wire), measured in Electric Resistance can be negative.

Which unit is used to measure Resistance(DC 3-Wire)?

Resistance(DC 3-Wire) 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(DC 3-Wire) can be measured.

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