FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Voltage in DC Circuit Formula

Fx Copy

LaTeX Copy

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. Check FAQs

V = I \cdot R

V - Voltage?I - Current?R - Resistance?

Voltage in DC Circuit Example

With values

With units

Only example

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

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

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

22.5 = 0.75 \cdot 30

22.5V = 0.75A \cdot 30Ω

22.5 = 0.75 \cdot 30

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Electrical » Category

Electrical Circuit » fx Voltage in DC Circuit

Voltage in DC Circuit Solution

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

FIRST Step Consider the formula

V = I \cdot R

Next Step Substitute values of Variables

∴

V = 0.75A \cdot 30Ω

Next Step Prepare to Evaluate

∴

V = 0.75 \cdot 30

LAST Step Evaluate

∴

V = 22.5V

Voltage in DC Circuit Formula Elements

Variables

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

Resistance

Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms.

Symbol: R

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Resistance

Other formulas in DC Circuits category

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}

Go Voltage Divider for Two Resistors

V R1 = V s \cdot (\frac{R 1}{R 1 + R 2})

How to Evaluate Voltage in DC Circuit?

Voltage in DC Circuit evaluator uses Voltage = Current*Resistance to evaluate the Voltage, Voltage in DC Circuit 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. Voltage is denoted by V symbol.

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

FAQs on Voltage in DC Circuit

What is the formula to find Voltage in DC Circuit?

The formula of Voltage in DC Circuit is expressed as Voltage = Current*Resistance. Here is an example- 22.5 = 0.75*30.

How to calculate Voltage in DC Circuit?

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

Can the Voltage in DC Circuit be negative?

Yes, the Voltage in DC Circuit, measured in Electric Potential can be negative.

Which unit is used to measure Voltage in DC Circuit?

Voltage in DC Circuit is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Voltage in DC Circuit can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit