Variable Voltage question.

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teabagger

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Why is there not a variable resistor adapter for the atomizers.... say you have a 6v device already... why not just build a 510 connection varible resitor. simple effective, and stop you from having to dish out more cash to replace a perfectly fine HV tube style. anyway.. resistive material such as old prodigy switch, and three piece 510-510 connecter with resistive center piece. just a thought. small cheap and effective.
 

THE

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I always thought it was because resistors waste energy by turning it into heat.. I thought that was the way they worked. Come to think of it, I have no IDEA why I think that. I'll have to google that...

Now that I think about it "resist" .. it doesn't say "dissipate" .. I never really THOUGHT about it before ..

I bet I've been going on a wrong assumption all of these years
 

THE

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Well, I was wrong about being wrong which made me right

Yahoo answers:
"Best Answer - Chosen by Voters
Firstly, yes. Resistors waste energy as heat. It's inevitable."

Wiki:
"If the average power dissipated is more than the resistor can safely dissipate, the resistor may depart from its nominal resistance and may become damaged by overheating. Excessive power dissipation may raise the temperature of the resistor to a point where it burns out,"
 

BuzzKill

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I worked on a setup like that BUT regulating the voltage is WAYYYYYYYY better IMO using just resistor it has 2 main problems
1. it follows the batter voltage ( as the battery volts drop so do the output volts )
2. Heat dissipation in a small package is an issue , the res. will over heat and change value

using a V reg. bypasses these issues when designed right
 
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