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Science Trivia

#256 {lang:macro__useroffline}   Ratty {lang:icon}

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Posted 10 August 2007 - 08:36 AM

Sowwie, havent been paying much attention to the forums the past few days.

Hmm...

*pokes goaty and his puns* bluetongue.gif

What would the surface area of a Capacitor have to be for it to be rated at being 1 Farad, if the conductive plates were 1mm apart?
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#257 {lang:macro__useroffline}   Goto {lang:icon}

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Posted 10 August 2007 - 09:01 AM

I'm... not sure whether I should answer that, considering you copied it directly off today's Physics lecture. bluetongue.gif
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#258 {lang:macro__useroffline}   Ratty {lang:icon}

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Posted 10 August 2007 - 09:56 AM

Heehee. I found it rather amusing :PAnd you -can- answer that, if you'd like. bluetongue.gif Not sure how many others would know the equation for it bluetongue.gif
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#259 {lang:macro__useroffline}   Daryl C {lang:icon}

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Posted 10 August 2007 - 01:39 PM

~100²ft
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#260 {lang:macro__useroffline}   Ratty {lang:icon}

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Posted 11 August 2007 - 01:10 AM

Nope. That's ... tiny. bluetongue.gif
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#261 {lang:macro__useroffline}   Goto {lang:icon}

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Posted 11 August 2007 - 12:28 PM

I can't be bothered calculating it or looking up the slides or whatever, but wasn't it roughly 100 km²?
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#262 {lang:macro__useroffline}   Ratty {lang:icon}

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Posted 11 August 2007 - 01:14 PM

Yep.

Your question.
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#263 {lang:macro__useroffline}   Zziggywolf5 {lang:icon}

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Posted 11 August 2007 - 03:25 PM

QUOTE(Goto @ Aug 10 2007, 05:01 AM) {lang:macro__view_post}
I'm... not sure whether I should answer that, considering you copied it directly off today's Physics lecture. bluetongue.gif

QUOTE(Bigrat2 @ Aug 10 2007, 05:56 AM) {lang:macro__view_post}
Heehee. I found it rather amusing :PAnd you -can- answer that, if you'd like. bluetongue.gif Not sure how many others would know the equation for it bluetongue.gif

...
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QUOTE (JGJTan @ Jul 17 2008, 04:48 PM) <{POST_SNAPBACK}>
I endorse stalking. :thumb:
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#264 {lang:macro__useroffline}   Moogalite {lang:icon}

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Posted 11 August 2007 - 03:36 PM

Is the equation just a manipulated version of the one to work out the capacitance?


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#265 {lang:macro__useroffline}   Zoo {lang:icon}

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Posted 11 August 2007 - 05:16 PM

Yeah, it would be, since you know everything but the size of the plates, you just solve for area.
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#266 {lang:macro__useroffline}   Moogalite {lang:icon}

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Posted 11 August 2007 - 06:04 PM

Thought so.. problem is I havent studied physics for a long time so rusty.. bluetongue.gif I'm pretty good at Chemistry though but as I think there has been about one question on it XD

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#267 {lang:macro__useroffline}   Zoo {lang:icon}

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Posted 11 August 2007 - 07:03 PM

Yeah, seems we're all biologists or physicists bluetongue.gif. (Although chemistry is technically a special kind of physics, so you fit in there too bluetongue.gif.)
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#268 {lang:macro__useroffline}   Goto {lang:icon}

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Posted 12 August 2007 - 07:52 AM

Well I'd pass some chem questions to you guys if I actually knew much. I'm pretty rusty with what I did learn, though. bluetongue.gif

Hmm.. This shouldn't be too hard. Give me an equation to calculate the effective resistance of 3 resistors in parallel to each other.
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#269 {lang:macro__useroffline}   Ratty {lang:icon}

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Posted 12 August 2007 - 08:55 AM

omigawd omigawd bluetongue.gif

The recipricol of the sum of the recipricols! xD *waits to see if anyone could get that bluetongue.gif *
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#270 {lang:macro__useroffline}   Daryl C {lang:icon}

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Posted 13 August 2007 - 01:39 PM

Yeah....thats a piece of cake

1/R1 + 1/R2 + 1/R3 = 1/RT where R1, R2 and R3 are the resistance values of the resistors and RT is the total resistance
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