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Overunity Machines Forum



Joule Thief

Started by Pirate88179, November 20, 2008, 03:07:58 AM

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poynt99

#14590
January 07, 2011, 07:40:22 PM
Quote from: dasimpson on January 06, 2011, 02:25:03 PM
ok i have a AA battery that reads 1.240 volts on the positive side of the battery a 1k resistor
i have the positive side of my multi meter after the 1k res the negitive one is on the negitive side of the battery the meter is set for 200ma
and i get a reading of 16ma what am i acturley reading here?

am i measuring current avelable?

1.24V/1kOhm = 1.24mA

So I would say your resistor may not be a 1k.

1.24V/16mA = 77.5 Ohms

Measure your resistor again.

.99
question everything, double check the facts, THEN decide your path...

Simple Cheap Low Power Oscillators V2.0
http://www.overunity.com/index.php?action=downloads;sa=view;down=248
Towards Realizing the TPU V1.4: http://www.overunity.com/index.php?action=downloads;sa=view;down=217
Capacitor Energy Transfer Experiments V1.0: http://www.overunity.com/index.php?action=downloads;sa=view;down=209

dasimpson

#14591
January 07, 2011, 07:44:14 PM
Quote from: poynt99 on January 07, 2011, 07:40:22 PM
1.24V/1kOhm = 1.24mA

So I would say your resistor may not be a 1k.

1.24V/16mA = 77.5 Ohms

Measure your resistor again.

.99
ah crap 97.5 ohms woooooops
this would explain why my jt been pulling more current then normal

maths hate them
ok my question is what am i measuring the usage or the amount avaliable

dasimpson

#14592
January 07, 2011, 07:54:41 PM
ok this time it is a 1.5 volt battery and with a 985 ohms resistor i got 1.5ma

poynt99

#14593
January 07, 2011, 07:58:16 PM
Quote from: dasimpson on January 07, 2011, 07:54:41 PM
ok this time it is a 1.5 volt battery and with a 985 ohms resistor i got 1.5ma

There ya go, now you're in the ball park ;)

.99
question everything, double check the facts, THEN decide your path...

Simple Cheap Low Power Oscillators V2.0
http://www.overunity.com/index.php?action=downloads;sa=view;down=248
Towards Realizing the TPU V1.4: http://www.overunity.com/index.php?action=downloads;sa=view;down=217
Capacitor Energy Transfer Experiments V1.0: http://www.overunity.com/index.php?action=downloads;sa=view;down=209

dasimpson

#14594
January 07, 2011, 07:59:59 PM
Quote from: poynt99 on January 07, 2011, 07:58:16 PM
There ya go, now you're in the ball park ;)

.99

but what exactly have i measured here
is this what any cicuit would have to run on or is this what the resistor was using?
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