ND Electrician Practice Questions - North Dakota Journeyman Electrician License Exam

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What is the voltage drop in a single-phase circuit with 200 feet of 10 AWG copper conductor carrying 20 amperes at 120 volts? (Use K = 12.9 ohms per cmil/ft for copper.)

3.2 volts 4.9 volts 6.8 volts 9.9 volts

Correct Answer:

9.9 volts

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