# Capacitive reactance

## Homework Statement

Now demonstrate how to calculate resonant frequency. Calculate the capacitive reactance for a 300uF capacitor in series with a 800mH inductor.

## Homework Equations

f = 1/2pi(LC)^1/2
Xc = -1/2pifC

Hi
I urgently need this solution checked out for my BTech deadline. The question reads thus:

## The Attempt at a Solution

where L = 800mH, C = 300uF

so,
f = 1/2pi(800 x 10^-3 x 300 x 10^-6)
So, f = 10.3 Hz

so, Xc =-1/2pi (10.27 x 300 x 10^-6)

Will my final answer be expressed as a negative?
Any suggestions will be appreciated.

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## Homework Statement

Now demonstrate how to calculate resonant frequency. Calculate the capacitive reactance for a 300uF capacitor in series with a 800mH inductor.

## Homework Equations

f = 1/2pi(LC)^1/2
Xc = -1/2pifC

Hi
I urgently need this solution checked out for my BTech deadline. The question reads thus:

## The Attempt at a Solution

where L = 800mH, C = 300uF

so,
f = 1/2pi(800 x 10^-3 x 300 x 10^-6)
So, f = 10.3 Hz

so, Xc =-1/2pi (10.27 x 300 x 10^-6)

Will my final answer be expressed as a negative?
Any suggestions will be appreciated.
Technically capacitive reactance is a negative reactance, so best to express it so. Also be sure to assign it the appropriate units! Everything should have units Technically capacitive reactance is a negative reactance, so best to express it so. Also be sure to assign it the appropriate units! Everything should have units So, my final answer is in ohms and negative. Aside from that, is my working okay? I feel its fine but its the determinant for a distinction or a merit.

Thanks.

be sure to assign it the appropriate unitshttp://www.infoocean.info/avatar2.jpg [Broken]
Thanks everyone. I take that as a yes! My sincere appreciation and gratitude.

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