Interpreting Multimeter Voltage Reading

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Interpreting Multimeter Voltage Reading

#11

01-22-2014, 10:22 AM

Rob Pruijt Rob Pruijt is offline

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Location: Utrecht, the Netherlands

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Quote:

Originally Posted by 1991300SEL

How is it than I'm measuring with 9 volts vs. 12? Could someone throw up the math? Not doubting anything that's been said, just looking for clarification.

Thanks.

It is rather simple.
If you measure 3 volt over the resistor it means that the voltage drops 3 volt over the resistor, leaving 9 volt for the rest.
The same as putting two 6volt lamps in series on a 12 volt battery.

Rob

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