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Old 06-12-2009 | 08:36 AM
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wzak29
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From: lake peekskill, NY
Default RE: Using an expanded scale voltmeter

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Use a resistor in parallel with the meter to simulate load, if you have a 6v battery rated at 2000ma=2amps (then R=volt/current) = r=3 ohm, (volt x amps =12) watts so buy a 3 ohm 12 watt or larger resister to simulate full load. Get one as close as you can at radio shack. If you can’t find the one you want you can add them in parallel or series to get the value you want. In parallel you divide the values in series you add the values.</p></span>