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DC Power (in Voltage Terms) Formula

GoPower using Two Wattmeter Method Formula

GoTotal Power using phi Angle Formula

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Total Power refers to the sum of the electrical power consumed or generated by the load being measured in a wattmeter. Check FAQs

P t = V t \cdot I - (\frac{{V t}^{2}}{R vm})

P_t - Total Power?V_t - Total Voltage?I - Total Current?R_vm - Voltmeter Resistance?

DC Power (in Voltage Terms) Example

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Here is how the DC Power (in Voltage Terms) equation looks like with Values.

Here is how the DC Power (in Voltage Terms) equation looks like with Units.

Here is how the DC Power (in Voltage Terms) equation looks like.

2.5 = 10 \cdot 0.5 - (\frac{10^{2}}{40})

2.5W = 10V \cdot 0.5A - (\frac{{10V}^{2}}{40Ω})

2.5 = 10 \cdot 0.5 - (\frac{10^{2}}{40})

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DC Power (in Voltage Terms) Solution

Follow our step by step solution on how to calculate DC Power (in Voltage Terms)?

FIRST Step Consider the formula

P t = V t \cdot I - (\frac{{V t}^{2}}{R vm})

Next Step Substitute values of Variables

∴

P t = 10V \cdot 0.5A - (\frac{{10V}^{2}}{40Ω})

Next Step Prepare to Evaluate

∴

P t = 10 \cdot 0.5 - (\frac{10^{2}}{40})

LAST Step Evaluate

∴

P t = 2.5W

DC Power (in Voltage Terms) Formula Elements

Variables

Total Power

Total Power refers to the sum of the electrical power consumed or generated by the load being measured in a wattmeter.

Symbol: P_t

Measurement: PowerUnit: W

Note: Value should be greater than 0.

Formulas to find Total Power

Total Voltage

Total Voltage refers to the combined electrical voltage across all phases of a multi-phase electrical system.

Symbol: V_t

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Total Voltage

Total Current

Total Current is the sum of the current flowing through the load and pressure coil in a wattmeter circuit.

Symbol: I

Measurement: Electric CurrentUnit: A

Note: Value should be greater than 0.

Formulas to find Total Current

Voltmeter Resistance

Voltmeter Resistance refers to the electrical resistance of the coil or circuitry used to measure voltage across the load.

Symbol: R_vm

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Voltmeter Resistance

Other Formulas to find Total Power

Go Power using Two Wattmeter Method

P t = \sqrt{3} \cdot V ph \cdot I 1 \cdot \cos (Φ)

Go Total Power using phi Angle

P t = 3 \cdot V ph \cdot I ph \cdot \cos (Φ)

Go DC Power (in Current Terms)

P t = V t \cdot I - I^{2} \cdot R a

Go Total Power for Three Phase Wattmeter

P t = (V 1 \cdot I 1) + (V 2 \cdot I 2) + (V 3 \cdot I 3)

Other formulas in Wattmeter Circuit category

Go AC Power

P ac = V t \cdot I rms \cdot \cos (Φ)

Go Wattmeter Reading

W r = \frac{V wp \cdot P i}{V}

Go Resistance of coil S1

R c = \frac{S 2 - (I p \cdot R p)}{I p}

Go Resistance of Watt-meter pressure Coil

R p = \frac{S 2 - (I p \cdot R c)}{I p}

How to Evaluate DC Power (in Voltage Terms)?

DC Power (in Voltage Terms) evaluator uses Total Power = Total Voltage*Total Current-(Total Voltage^2/Voltmeter Resistance) to evaluate the Total Power, The DC Power (in Voltage Terms) formula is used to calculate the power of the load on a circuit that employs a voltmeter and an ammeter. Total Power is denoted by P_t symbol.

How to evaluate DC Power (in Voltage Terms) using this online evaluator? To use this online evaluator for DC Power (in Voltage Terms), enter Total Voltage (V_t), Total Current (I) & Voltmeter Resistance (R_vm) and hit the calculate button.

FAQs on DC Power (in Voltage Terms)

What is the formula to find DC Power (in Voltage Terms)?

The formula of DC Power (in Voltage Terms) is expressed as Total Power = Total Voltage*Total Current-(Total Voltage^2/Voltmeter Resistance). Here is an example- 2.5 = 10*0.5-(10^2/40).

How to calculate DC Power (in Voltage Terms)?

With Total Voltage (V_t), Total Current (I) & Voltmeter Resistance (R_vm) we can find DC Power (in Voltage Terms) using the formula - Total Power = Total Voltage*Total Current-(Total Voltage^2/Voltmeter Resistance).

What are the other ways to Calculate Total Power?

Here are the different ways to Calculate Total Power-

Total Power=sqrt(3)*Total Phase Voltage*One Phase Current*cos(Phase Angle)
Total Power=3*Total Phase Voltage*Total Phase Current*cos(Phase Angle)
Total Power=Total Voltage*Total Current-Total Current^2*Ammeter Resistance

Can the DC Power (in Voltage Terms) be negative?

No, the DC Power (in Voltage Terms), measured in Power cannot be negative.

Which unit is used to measure DC Power (in Voltage Terms)?

DC Power (in Voltage Terms) is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which DC Power (in Voltage Terms) can be measured.

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DC Power (in Voltage Terms) Formula

​GoPower using Two Wattmeter Method Formula

​GoTotal Power using phi Angle Formula

DC Power (in Voltage Terms) Example

DC Power (in Voltage Terms) Solution

DC Power (in Voltage Terms) Formula Elements

Other Formulas to find Total Power

Other formulas in Wattmeter Circuit category

How to Evaluate DC Power (in Voltage Terms)?

FAQs on DC Power (in Voltage Terms)

Variable Name

GoPower using Two Wattmeter Method Formula

GoTotal Power using phi Angle Formula