SC Burglar Alarm Practice Questions - South Carolina Burglar Alarm Contractor Examination Exam

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An 18 AWG copper pair (1,620 CM) runs 150 feet one-way from a 12-volt aux output to an 0.80-ampere load. Using K = 12.9, what voltage remains at the load if the panel output is 12.0 volts?

11.40 volts 10.09 volts 9.20 volts 6.00 volts

Correct Answer:

10.09 volts

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