FormulaDen.com

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

Capacitance Formula

GoCapacitance of Spherical Capacitor Formula

GoCapacitance of Cylindrical Capacitor Formula

Fx Copy

LaTeX Copy

Capacitance is the ability of a system to store electric charge, typically measured in farads, and is a crucial concept in electrostatics. Check FAQs

C = ε r \cdot \frac{Q}{V}

C - Capacitance?ε_r - Relative Permittivity?Q - Charge?V - Voltage?

Capacitance Example

With values

With units

Only example

Here is how the Capacitance equation looks like with Values.

Here is how the Capacitance equation looks like with Units.

Here is how the Capacitance equation looks like.

0.0112 = 4.5 \cdot \frac{0.3}{120}

0.0112F = 4.5 \cdot \frac{0.3C}{120V}

0.0112 = 4.5 \cdot \frac{0.3}{120}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Physics » Category

Basic Physics » Category

Electromagnetism » fx Capacitance

Capacitance Solution

Follow our step by step solution on how to calculate Capacitance?

FIRST Step Consider the formula

C = ε r \cdot \frac{Q}{V}

Next Step Substitute values of Variables

∴

C = 4.5 \cdot \frac{0.3C}{120V}

Next Step Prepare to Evaluate

∴

C = 4.5 \cdot \frac{0.3}{120}

Next Step Evaluate

∴

C = 0.01125F

LAST Step Rounding Answer

∴

C = 0.0112F

Capacitance Formula Elements

Variables

Capacitance

Capacitance is the ability of a system to store electric charge, typically measured in farads, and is a crucial concept in electrostatics.

Symbol: C

Measurement: CapacitanceUnit: F

Note: Value should be greater than 0.

Formulas to find Capacitance

Relative Permittivity

Relative Permittivity is a measure of the ability of a material to store electric charge and is a critical parameter in electrostatics.

Symbol: ε_r

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Relative Permittivity

Charge

Charge is a fundamental property of matter that causes objects to experience a force when placed in an electrostatic field.

Symbol: Q

Measurement: Electric ChargeUnit: C

Note: Value can be positive or negative.

Formulas to find Charge

Voltage

Voltage is the electric potential difference between two points, measured in volts, and is a fundamental concept in understanding electrostatic forces and interactions.

Symbol: V

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Voltage

Other Formulas to find Capacitance

Go Capacitance of Spherical Capacitor

C = \frac{ε r \cdot R s \cdot a shell}{[Coulomb] \cdot (a shell - R s)}

Go Capacitance of Cylindrical Capacitor

C = \frac{ε r \cdot L Cylinder}{2 \cdot [Coulomb] \cdot (r 2 - r 1)}

Go Capacitor with Dielectric

C = \frac{ε \cdot ε r \cdot A}{s}

Other formulas in Capacitance category

Go Capacitance of Parallel Plate Capacitor

C ∥ = \frac{ε r \cdot [Permitivity-vacuum] \cdot A plate}{s}

Go Capacitance for Parallel Plate Capacitors with Dielectric between them

C ∥ = \frac{ε \cdot ε r \cdot A}{s}

Go Equivalent Capacitance for Two Capacitors in Parallel

C eq, Parallel = C 1 + C 2

Go Equivalent Capacitance for Two Capacitors in Series

C eq, Series = \frac{C 1 \cdot C 2}{C 1 + C 2}

How to Evaluate Capacitance?

Capacitance evaluator uses Capacitance = Relative Permittivity*Charge/Voltage to evaluate the Capacitance, Capacitance formula is defined as a measure of the ability of a capacitor to store electric charge, which is a fundamental property of a device that opposes changes in voltage, and is a crucial component in electronic circuits, filters, and oscillators, playing a vital role in regulating the flow of electric current. Capacitance is denoted by C symbol.

How to evaluate Capacitance using this online evaluator? To use this online evaluator for Capacitance, enter Relative Permittivity (ε_r), Charge (Q) & Voltage (V) and hit the calculate button.

FAQs on Capacitance

What is the formula to find Capacitance?

The formula of Capacitance is expressed as Capacitance = Relative Permittivity*Charge/Voltage. Here is an example- 0.01125 = 4.5*0.3/120.

How to calculate Capacitance?

With Relative Permittivity (ε_r), Charge (Q) & Voltage (V) we can find Capacitance using the formula - Capacitance = Relative Permittivity*Charge/Voltage.

What are the other ways to Calculate Capacitance?

Here are the different ways to Calculate Capacitance-

Capacitance=(Relative Permittivity*Radius of Sphere*Radius of Shell)/([Coulomb]*(Radius of Shell-Radius of Sphere))
Capacitance=(Relative Permittivity*Length of Cylinder)/(2*[Coulomb]*(Outer Radius of Cylinder-Inner Radius of Cylinder))
Capacitance=(Permittivity*Relative Permittivity*Area)/Distance between Deflecting Plates

Can the Capacitance be negative?

No, the Capacitance, measured in Capacitance cannot be negative.

Which unit is used to measure Capacitance?

Capacitance is usually measured using the Farad[F] for Capacitance. Kilofarad[F], Millifarad[F], Microfarad[F] are the few other units in which Capacitance can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit