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Capacitive Reactance Formula

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Capacitive reactance is a measure of a capacitor’s opposition to AC (alternating current). Check FAQs

X c = \frac{1}{ω \cdot C}

X_c - Capacitive Reactance?ω - Angular Velocity?C - Capacitance?

Capacitive Reactance Example

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Here is how the Capacitive Reactance equation looks like with Values.

Here is how the Capacitive Reactance equation looks like with Units.

Here is how the Capacitive Reactance equation looks like.

0.1 = \frac{1}{2 \cdot 5}

0.1Ω = \frac{1}{2rad/s \cdot 5F}

0.1 = \frac{1}{2 \cdot 5}

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Capacitive Reactance Solution

Follow our step by step solution on how to calculate Capacitive Reactance?

FIRST Step Consider the formula

X c = \frac{1}{ω \cdot C}

Next Step Substitute values of Variables

∴

X c = \frac{1}{2rad/s \cdot 5F}

Next Step Prepare to Evaluate

∴

X c = \frac{1}{2 \cdot 5}

LAST Step Evaluate

∴

X c = 0.1Ω

Capacitive Reactance Formula Elements

Variables

Capacitive Reactance

Capacitive reactance is a measure of a capacitor’s opposition to AC (alternating current).

Symbol: X_c

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Capacitive Reactance

Angular Velocity

The Angular Velocity refers to how fast an object rotates or revolves relative to another point, i.e. how fast the angular position or orientation of an object changes with time.

Symbol: ω

Measurement: Angular VelocityUnit: rad/s

Note: Value can be positive or negative.

Formulas to find Angular Velocity

Capacitance

Capacitance is the ratio of the amount of electric charge stored on a conductor to a difference in electric potential.

Symbol: C

Measurement: CapacitanceUnit: F

Note: Value should be greater than 0.

Formulas to find Capacitance

Other formulas in Basics of Electromagentic Induction category

Go Current Value for Alternating Current

i p = I o \cdot \sin (ω f \cdot t + ∠A)

Go Decay of Current in LR circuit

I decay = i p \cdot e^{- \frac{T w}{\frac{L}{R}}}

Go EMF Induced in Rotating Coil

e = n \cdot A \cdot B \cdot ω \cdot \sin (ω \cdot t)

Go Growth of Current in LR Circuit

i = \frac{e}{R} \cdot (1 - e^{- \frac{t}{\frac{L}{R}}})

How to Evaluate Capacitive Reactance?

Capacitive Reactance evaluator uses Capacitive Reactance = 1/(Angular Velocity*Capacitance) to evaluate the Capacitive Reactance, The Capacitive Reactance formula is defined as the inverse of the product of angular velocity and capacitance of the circuit. Capacitive Reactance is denoted by X_c symbol.

How to evaluate Capacitive Reactance using this online evaluator? To use this online evaluator for Capacitive Reactance, enter Angular Velocity (ω) & Capacitance (C) and hit the calculate button.

FAQs on Capacitive Reactance

What is the formula to find Capacitive Reactance?

The formula of Capacitive Reactance is expressed as Capacitive Reactance = 1/(Angular Velocity*Capacitance). Here is an example- 0.1 = 1/(2*5).

How to calculate Capacitive Reactance?

With Angular Velocity (ω) & Capacitance (C) we can find Capacitive Reactance using the formula - Capacitive Reactance = 1/(Angular Velocity*Capacitance).

Can the Capacitive Reactance be negative?

Yes, the Capacitive Reactance, measured in Electric Resistance can be negative.

Which unit is used to measure Capacitive Reactance?

Capacitive Reactance 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 Capacitive Reactance can be measured.

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