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Power in DC Circuit Formula

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Power can be defined as the rate of energy consumed in a unit time. Electrical power is the rate of flow of electrical energy past a given point in a closed circuit. Check FAQs

P = V \cdot I

P - Power?V - Voltage?I - Current?

Power in DC Circuit Example

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With units

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Here is how the Power in DC Circuit equation looks like with Values.

Here is how the Power in DC Circuit equation looks like with Units.

Here is how the Power in DC Circuit equation looks like.

16.875 = 22.5 \cdot 0.75

16.875W = 22.5V \cdot 0.75A

16.875 = 22.5 \cdot 0.75

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Power in DC Circuit Solution

Follow our step by step solution on how to calculate Power in DC Circuit?

FIRST Step Consider the formula

P = V \cdot I

Next Step Substitute values of Variables

∴

P = 22.5V \cdot 0.75A

Next Step Prepare to Evaluate

∴

P = 22.5 \cdot 0.75

LAST Step Evaluate

∴

P = 16.875W

Power in DC Circuit Formula Elements

Variables

Power

Power can be defined as the rate of energy consumed in a unit time. Electrical power is the rate of flow of electrical energy past a given point in a closed circuit.

Symbol: P

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find Power

Voltage

Voltage, electric potential difference is the difference in electric potential between two points, which is defined as the work needed per unit of charge to move a test charge between the two points.

Symbol: V

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Voltage

Current

Current is a stream of charged particles, such as electrons or ions, moving through an electrical conductor or space.

Symbol: I

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Current

Other formulas in DC Circuits category

Go Voltage in DC Circuit

V = I \cdot R

Go Maximum Power Transfer

P m = \frac{{V th}^{2} \cdot R L}{{(R L + R th)}^{2}}

Go Star to Delta Transformation

Z 1 = Z A + Z B + (\frac{Z A \cdot Z B}{Z C})

Go Delta to Star Transformation

Z A = \frac{Z 1 \cdot Z 3}{Z 1 + Z 2 + Z 3}

How to Evaluate Power in DC Circuit?

Power in DC Circuit evaluator uses Power = Voltage*Current to evaluate the Power, The Power in DC Circuit formula is defined as the rate of energy consumed in a unit time. Electrical power is the rate of flow of electrical energy past a given point in a closed circuit. Power is denoted by P symbol.

How to evaluate Power in DC Circuit using this online evaluator? To use this online evaluator for Power in DC Circuit, enter Voltage (V) & Current (I) and hit the calculate button.

FAQs on Power in DC Circuit

What is the formula to find Power in DC Circuit?

The formula of Power in DC Circuit is expressed as Power = Voltage*Current. Here is an example- 16.875 = 22.5*0.75.

How to calculate Power in DC Circuit?

With Voltage (V) & Current (I) we can find Power in DC Circuit using the formula - Power = Voltage*Current.

Can the Power in DC Circuit be negative?

Yes, the Power in DC Circuit, measured in Power can be negative.

Which unit is used to measure Power in DC Circuit?

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

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Power in DC Circuit Formula

Power in DC Circuit Example

Power in DC Circuit Solution

Power in DC Circuit Formula Elements

Other formulas in DC Circuits category

How to Evaluate Power in DC Circuit?

FAQs on Power in DC Circuit

Variable Name