Resistor Question

[str33tl0rd]

hello all,
i read that resistance increases if resistors are placed in series, proven by this equation E = I × (R1 + R2); where e = voltage, I = current and R = resistance/resistors.

But i have a found a little way, i don't know if its a solid way to prove this wrong or is even a right way.

Anyways, whatever it might be, i want someone to correct me. So here it is:

As we know conductance is known in the units of Siemens usually abbreviated to "G" . And in a conductor, conductance is the reciprocal of resistance and vice versa. Therefore, G= 1/R and R = 1/G.

I have 3 resistors in series all 100 ohms. Lets convert this to Siemens..it will be 1/100 = 0.01. Now lets add the simens together...it will be 0.01 + 0.01 + 0.01...as there is 3 resistors. Which is 0.03, if i now convert this back to ohms, it should be 1/0.03 = 33.3 ohms.

which is a decrease not an increase!!

[floodhound2]

Well I like the way your thinking. But your wrong

You said this

I have 3 resistors in series all 100 ohms. Lets convert this to Siemens..it will be 1/100 = 0.01. Now lets add the simens together...it will be 0.01 + 0.01 + 0.01...as there is 3 resistors. Which is 0.03, if i now convert this back to ohms, it should be 1/0.03 = 33.3 ohms.

Reworded

Code: Select all

3 resistors in series at 100 Ω = 300 Ω Rt G = 1/R so this comes out to 1/300 = .003G

Let me make it a bit more clear. Your correct about everything except the equation when adding G in series.

Code: Select all

Given  G= 1/R 
Since series resistance is R1 + R2 + R3 ...Rn 
then series G is 1 / (R1 + R2 + R3...Rn)

Hope this helps

[str33tl0rd]

that did help thanks man...this was annoyin' me for 2 days.

[floodhound2]

Just remember that Energy can not be created or destroyed This statement, erg fact, can sum up everything in life. Nothing is free!

Peace

[str33tl0rd]

yer i read that statement somewhere else too. thanks.

[Still_Learning]

Just remember that Energy can not be created or destroyed This statement, erg fact, can sum up everything in life. Nothing is free!

Peace

If energy can not be destroyed where does it go? does it get saved somewhere for later use? ISP?

[Big-E]

If energy can not be destroyed where does it go? does it get saved somewhere for later use? ISP?

It's simple physics, it can change into different forms.

Energy can change into mass, and mass into energy - that is where you get chemical reactions, and even light!

This transformation is probably one of the best known mathematical theories in the world - E = MC^2

Energy, is equal mass multiplied by the speed of light, squared.

This is one product of the theory of relativity.

[floodhound2]

Energy is everything! Water, farts, and anything else you think of. Its maybe not energy that can run your car or computer but its energy.

Like when a car hits another car. Things happens to the cars. They change shape, make noise and omit heat. This is all kinds of energy changing forms, some is sound (boom!), some heat(fire), some skid marks on the road.

Even you are energy.

[n3rd]

sooooo when can we shoot energy out of our mouths just as in DragonBall Z XD

[str33tl0rd]

lol, i don't know anything about your mouth; but i know much about my asshole...it is full of energy when it has to empty itself as floody mentioned.

[bad_brain]

stay on topic guys...

[floodhound2]

sooooo when can we shoot energy out of our mouths just as in DragonBall Z XD

Not quite soon. But sound comes out of the mouth and that a form of energy. Also bad breath which is energy as well.

[computathug]

As others have said, there are various types of energy. A simple rubbing of the hands creates energy .... heat.

A bobsleigh creates a lot of kinetic energy.

Take a look here for more information!

http://en.wikipedia.org/wiki/Kinetic_energy

[DNR]

Off-topic = wasted potential energy


DNR