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OpenStudy (anonymous):
A 300_volt voltmeter has a total resistance of 20000 ohms.What additional series resistance must be connected to it to increase its rasnge to 500 volts?
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OpenStudy (anonymous):
Current = volts / resistance at full scale the meter will have 300 / 20,000 amps flowing thru it 500 / ( 300 / 20000)
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