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T O P I C    R E V I E W
whooshdoo Posted - Sep 10 2011 : 8:35:41 PM
I have a 1/4 watt resistor rated at 1k ohms in a circuit and it is showing 12 volts at one end and only .4 volts at the other end. Since that is such a drastic difference in voltage levels, I am wondering if that is normal or could the resistor somehow have too much resistance? Is there a way to tell roughly what the difference in voltage should be across a resistor based on its rating? Thanks very much for any help.
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JUAN DELA CRUZ Posted - Sep 12 2011 : 05:40:58 AM
You should desolder the resistor first and measure its resistance based on its color coding. Isolate the component/s being tested.

BTW.. Are you sure its a resistor? ...or a DIODE?

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